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670046437 is a prime number
BaseRepresentation
bin100111111100000…
…001100011100101
31201200210212220201
4213330001203211
52333012441222
6150253230501
722414205104
oct4774014345
91650725821
10670046437
11314250895
12168492431
13a8a825a8
1464dbc03b
153dc57427
hex27f018e5

670046437 has 2 divisors, whose sum is σ = 670046438. Its totient is φ = 670046436.

The previous prime is 670046413. The next prime is 670046453. The reversal of 670046437 is 734640076.

670046437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 631717956 + 38328481 = 25134^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 670046437 - 27 = 670046309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670046396 and 670046405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670046137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335023218 + 335023219.

It is an arithmetic number, because the mean of its divisors is an integer number (335023219).

Almost surely, 2670046437 is an apocalyptic number.

It is an amenable number.

670046437 is a deficient number, since it is larger than the sum of its proper divisors (1).

670046437 is an equidigital number, since it uses as much as digits as its factorization.

670046437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 670046437 is about 25885.2552044595. The cubic root of 670046437 is about 875.0542277140.

It can be divided in two parts, 67004 and 6437, that added together give a square (73441 = 2712).

The spelling of 670046437 in words is "six hundred seventy million, forty-six thousand, four hundred thirty-seven".