70434057 has 4 divisors (see below), whose sum is σ = 93912080. Its totient is φ = 46956036.

The previous prime is 70434053. The next prime is 70434097. The reversal of 70434057 is 75043407.

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 not a de Polignac number, because 70434057 - 2² = 70434053 is a prime.

It is the 8393-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70434053) by changing a digit.

It is a nontrivial repunit in base 8392.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11739007 + ... + 11739012.

It is an arithmetic number, because the mean of its divisors is an integer number (23478020).

Almost surely, 2^70434057 is an apocalyptic number.

It is an amenable number.

70434057 is a deficient number, since it is larger than the sum of its proper divisors (23478023).

70434057 is a wasteful number, since it uses less digits than its factorization.

70434057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23478022.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 70434057 is about 8392.5000446828. The cubic root of 70434057 is about 412.9786194710.

The spelling of 70434057 in words is "seventy million, four hundred thirty-four thousand, fifty-seven".