70439324994 has 24 divisors (see below), whose sum is σ = 152629132032. Its totient is φ = 23478145080.

The previous prime is 70439324993. The next prime is 70439325023. The reversal of 70439324994 is 49942393407.

It is a happy number.

70439324994 is a `hidden beast` number, since 7 + 0 + 4 + 393 + 249 + 9 + 4 = 666.

It is a super-2 number, since 2×70439324994² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70439324994.

It is not an unprimeable number, because it can be changed into a prime (70439324993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146539 + ... + 402929.

It is an arithmetic number, because the mean of its divisors is an integer number (6359547168).

Almost surely, 2^70439324994 is an apocalyptic number.

70439324994 is an abundant number, since it is smaller than the sum of its proper divisors (82189807038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70439324994 is a wasteful number, since it uses less digits than its factorization.

70439324994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271662 (or 271659 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 70439324994 in words is "seventy billion, four hundred thirty-nine million, three hundred twenty-four thousand, nine hundred ninety-four".