70065479994 has 16 divisors (see below), whose sum is σ = 144651313920. Its totient is φ = 22601767680.

The previous prime is 70065479993. The next prime is 70065480007. The reversal of 70065479994 is 49997456007.

It is a super-2 number, since 2×70065479994² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70065479993) 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, 188347879 + ... + 188348250.

It is an arithmetic number, because the mean of its divisors is an integer number (9040707120).

Almost surely, 2^70065479994 is an apocalyptic number.

70065479994 is an abundant number, since it is smaller than the sum of its proper divisors (74585833926).

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

70065479994 is a wasteful number, since it uses less digits than its factorization.

70065479994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376696165.

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 70065479994 in words is "seventy billion, sixty-five million, four hundred seventy-nine thousand, nine hundred ninety-four".