74047477 has 24 divisors (see below), whose sum is σ = 88544256. Its totient is φ = 61725888.

The previous prime is 74047439. The next prime is 74047481. The reversal of 74047477 is 77474047.

It is not a de Polignac number, because 74047477 - 2¹¹ = 74045429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74047417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454198 + ... + 454360.

It is an arithmetic number, because the mean of its divisors is an integer number (3689344).

Almost surely, 2^74047477 is an apocalyptic number.

It is an amenable number.

74047477 is a deficient number, since it is larger than the sum of its proper divisors (14496779).

74047477 is a wasteful number, since it uses less digits than its factorization.

74047477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 40.

The square root of 74047477 is about 8605.0843691390. The cubic root of 74047477 is about 419.9234119608.

The spelling of 74047477 in words is "seventy-four million, forty-seven thousand, four hundred seventy-seven".