74878473 has 12 divisors (see below), whose sum is σ = 102016400. Its totient is φ = 48852552.

The previous prime is 74878469. The next prime is 74878483. The reversal of 74878473 is 37487847.

It is not a de Polignac number, because 74878473 - 2² = 74878469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74878483) 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, 978 + ... + 12276.

Almost surely, 2^74878473 is an apocalyptic number.

It is an amenable number.

74878473 is a deficient number, since it is larger than the sum of its proper divisors (27137927).

74878473 is a wasteful number, since it uses less digits than its factorization.

74878473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396 (or 11349 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 48.

The square root of 74878473 is about 8653.2348286638. The cubic root of 74878473 is about 421.4884320873.

The spelling of 74878473 in words is "seventy-four million, eight hundred seventy-eight thousand, four hundred seventy-three".