70035657 has 4 divisors (see below), whose sum is σ = 93380880. Its totient is φ = 46690436.

The previous prime is 70035643. The next prime is 70035731. The reversal of 70035657 is 75653007.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70035657 - 2¹⁰ = 70034633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70037657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11672607 + ... + 11672612.

It is an arithmetic number, because the mean of its divisors is an integer number (23345220).

Almost surely, 2^70035657 is an apocalyptic number.

It is an amenable number.

70035657 is a deficient number, since it is larger than the sum of its proper divisors (23345223).

70035657 is a wasteful number, since it uses less digits than its factorization.

70035657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23345222.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 70035657 is about 8368.7309073718. The cubic root of 70035657 is about 412.1984955643.

The spelling of 70035657 in words is "seventy million, thirty-five thousand, six hundred fifty-seven".