74274873 has 16 divisors (see below), whose sum is σ = 102016320. Its totient is φ = 48033216.

The previous prime is 74274869. The next prime is 74274877. The reversal of 74274873 is 37847247.

It is an interprime number because it is at equal distance from previous prime (74274869) and next prime (74274877).

It is not a de Polignac number, because 74274873 - 2² = 74274869 is a prime.

It is a super-2 number, since 2×74274873² = 11033513518332258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74274877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45711 + ... + 47307.

It is an arithmetic number, because the mean of its divisors is an integer number (6376020).

Almost surely, 2^74274873 is an apocalyptic number.

It is an amenable number.

74274873 is a deficient number, since it is larger than the sum of its proper divisors (27741447).

74274873 is a wasteful number, since it uses less digits than its factorization.

74274873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056.

The product of its digits is 263424, while the sum is 42.

The square root of 74274873 is about 8618.2871268019. The cubic root of 74274873 is about 420.3528271022.

The spelling of 74274873 in words is "seventy-four million, two hundred seventy-four thousand, eight hundred seventy-three".