73997475 has 12 divisors (see below), whose sum is σ = 122342616. Its totient is φ = 39465280.

The previous prime is 73997467. The next prime is 73997477. The reversal of 73997475 is 57479937.

It is not a de Polignac number, because 73997475 - 2³ = 73997467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73997477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493242 + ... + 493391.

It is an arithmetic number, because the mean of its divisors is an integer number (10195218).

Almost surely, 2^73997475 is an apocalyptic number.

73997475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

73997475 is a deficient number, since it is larger than the sum of its proper divisors (48345141).

73997475 is a wasteful number, since it uses less digits than its factorization.

73997475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986646 (or 986641 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 51.

The square root of 73997475 is about 8602.1785031467. The cubic root of 73997475 is about 419.8288701916.

The spelling of 73997475 in words is "seventy-three million, nine hundred ninety-seven thousand, four hundred seventy-five".