70402053907 has 4 divisors (see below), whose sum is σ = 72673087936. Its totient is φ = 68131019880.

The previous prime is 70402053871. The next prime is 70402053919. The reversal of 70402053907 is 70935020407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70935020407 = 61 ⋅1162869187.

It is a cyclic number.

It is not a de Polignac number, because 70402053907 - 2⁷ = 70402053779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70402053977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135516968 + ... + 1135517029.

It is an arithmetic number, because the mean of its divisors is an integer number (18168271984).

Almost surely, 2^70402053907 is an apocalyptic number.

70402053907 is a deficient number, since it is larger than the sum of its proper divisors (2271034029).

70402053907 is a wasteful number, since it uses less digits than its factorization.

70402053907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271034028.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 70402053907 in words is "seventy billion, four hundred two million, fifty-three thousand, nine hundred seven".