75420456908 has 48 divisors (see below), whose sum is σ = 140508950400. Its totient is φ = 35322192000.

The previous prime is 75420456901. The next prime is 75420456953. The reversal of 75420456908 is 80965402457.

It is a super-2 number, since 2×75420456908² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75420456901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2598983 + ... + 2627841.

It is an arithmetic number, because the mean of its divisors is an integer number (2927269800).

Almost surely, 2^75420456908 is an apocalyptic number.

It is an amenable number.

75420456908 is a deficient number, since it is larger than the sum of its proper divisors (65088493492).

75420456908 is a wasteful number, since it uses less digits than its factorization.

75420456908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29270 (or 29268 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 75420456908 in words is "seventy-five billion, four hundred twenty million, four hundred fifty-six thousand, nine hundred eight".