75472453668 has 24 divisors (see below), whose sum is σ = 176187811968. Its totient is φ = 25145281696.

The previous prime is 75472453643. The next prime is 75472453697. The reversal of 75472453668 is 86635427457.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499571 + ... + 1549082.

It is an arithmetic number, because the mean of its divisors is an integer number (7341158832).

Almost surely, 2^75472453668 is an apocalyptic number.

It is an amenable number.

75472453668 is an abundant number, since it is smaller than the sum of its proper divisors (100715358300).

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

75472453668 is a wasteful number, since it uses less digits than its factorization.

75472453668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050723 (or 3050721 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 57.

The spelling of 75472453668 in words is "seventy-five billion, four hundred seventy-two million, four hundred fifty-three thousand, six hundred sixty-eight".