70672753 has 2 divisors, whose sum is σ = 70672754. Its totient is φ = 70672752.

The previous prime is 70672747. The next prime is 70672769. The reversal of 70672753 is 35727607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67371264 + 3301489 = 8208^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 70672753 - 2²¹ = 68575601 is a prime.

It is not a weakly prime, because it can be changed into another prime (70670753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35336376 + 35336377.

It is an arithmetic number, because the mean of its divisors is an integer number (35336377).

Almost surely, 2^70672753 is an apocalyptic number.

It is an amenable number.

70672753 is a deficient number, since it is larger than the sum of its proper divisors (1).

70672753 is an equidigital number, since it uses as much as digits as its factorization.

70672753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 70672753 is about 8406.7088090406. The cubic root of 70672753 is about 413.4446118325. Note that the first 3 decimals are identical.

The spelling of 70672753 in words is "seventy million, six hundred seventy-two thousand, seven hundred fifty-three".