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74149037 is a prime number
BaseRepresentation
bin1000110101101…
…10110010101101
312011112011100122
410122312302231
5122440232122
611205134325
71560153644
oct432666255
9164464318
1074149037
11389452a6
12209ba3a5
1312492191
149bc235b
15679a142
hex46b6cad

74149037 has 2 divisors, whose sum is σ = 74149038. Its totient is φ = 74149036.

The previous prime is 74149021. The next prime is 74149091. The reversal of 74149037 is 73094147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73170916 + 978121 = 8554^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 74149037 - 24 = 74149021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74148988 and 74149006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74149007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37074518 + 37074519.

It is an arithmetic number, because the mean of its divisors is an integer number (37074519).

Almost surely, 274149037 is an apocalyptic number.

It is an amenable number.

74149037 is a deficient number, since it is larger than the sum of its proper divisors (1).

74149037 is an equidigital number, since it uses as much as digits as its factorization.

74149037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 74149037 is about 8610.9835094488. The cubic root of 74149037 is about 420.1153065873.

The spelling of 74149037 in words is "seventy-four million, one hundred forty-nine thousand, thirty-seven".