75445929480 has 64 divisors (see below), whose sum is σ = 227856888000. Its totient is φ = 19983883520.

The previous prime is 75445929479. The next prime is 75445929487. The reversal of 75445929480 is 8492954457.

It is a super-2 number, since 2×75445929480² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 75445929480.

It is not an unprimeable number, because it can be changed into a prime (75445929487) 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, 2091906 + ... + 2127665.

It is an arithmetic number, because the mean of its divisors is an integer number (3560263875).

Almost surely, 2^75445929480 is an apocalyptic number.

It is an amenable number.

75445929480 is an abundant number, since it is smaller than the sum of its proper divisors (152410958520).

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

75445929480 is a wasteful number, since it uses less digits than its factorization.

75445929480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219734 (or 4219730 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 75445929480 in words is "seventy-five billion, four hundred forty-five million, nine hundred twenty-nine thousand, four hundred eighty".