70531969894 has 8 divisors (see below), whose sum is σ = 105869881728. Its totient is φ = 35242009320.

The previous prime is 70531969891. The next prime is 70531969927. The reversal of 70531969894 is 49896913507.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70531969891) 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, 11984137 + ... + 11990020.

It is an arithmetic number, because the mean of its divisors is an integer number (13233735216).

Almost surely, 2^70531969894 is an apocalyptic number.

70531969894 is a deficient number, since it is larger than the sum of its proper divisors (35337911834).

70531969894 is a wasteful number, since it uses less digits than its factorization.

70531969894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23975630.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 70531969894 in words is "seventy billion, five hundred thirty-one million, nine hundred sixty-nine thousand, eight hundred ninety-four".