75706665426 has 48 divisors (see below), whose sum is σ = 187631406144. Its totient is φ = 21611174112.

The previous prime is 75706665421. The next prime is 75706665443. The reversal of 75706665426 is 62456660757.

It is a super-2 number, since 2×75706665426² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75706665421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126021 + ... + 409016.

It is an arithmetic number, because the mean of its divisors is an integer number (3908987628).

Almost surely, 2^75706665426 is an apocalyptic number.

75706665426 is an abundant number, since it is smaller than the sum of its proper divisors (111924740718).

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

75706665426 is a wasteful number, since it uses less digits than its factorization.

75706665426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536175 (or 536172 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 75706665426 in words is "seventy-five billion, seven hundred six million, six hundred sixty-five thousand, four hundred twenty-six".