70156934 has 4 divisors (see below), whose sum is σ = 105235404. Its totient is φ = 35078466.

The previous prime is 70156907. The next prime is 70156939. The reversal of 70156934 is 43965107.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 70156894 and 70156903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70156939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17539232 + ... + 17539235.

It is an arithmetic number, because the mean of its divisors is an integer number (26308851).

Almost surely, 2^70156934 is an apocalyptic number.

70156934 is a deficient number, since it is larger than the sum of its proper divisors (35078470).

70156934 is a wasteful number, since it uses less digits than its factorization.

70156934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35078469.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 70156934 is about 8375.9736150492. The cubic root of 70156934 is about 412.4362857209.

The spelling of 70156934 in words is "seventy million, one hundred fifty-six thousand, nine hundred thirty-four".