70013957 has 8 divisors (see below), whose sum is σ = 75995136. Its totient is φ = 64117872.

The previous prime is 70013947. The next prime is 70013959. The reversal of 70013957 is 75931007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70013957 - 2⁶ = 70013893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70013959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19553 + ... + 22854.

It is an arithmetic number, because the mean of its divisors is an integer number (9499392).

Almost surely, 2^70013957 is an apocalyptic number.

It is an amenable number.

70013957 is a deficient number, since it is larger than the sum of its proper divisors (5981179).

70013957 is a wasteful number, since it uses less digits than its factorization.

70013957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42547.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 70013957 is about 8367.4343140535. The cubic root of 70013957 is about 412.1559190077.

The spelling of 70013957 in words is "seventy million, thirteen thousand, nine hundred fifty-seven".