74477475 has 30 divisors (see below), whose sum is σ = 137961780. Its totient is φ = 39720240.

The previous prime is 74477437. The next prime is 74477479. The reversal of 74477475 is 57477447.

It is not a de Polignac number, because 74477475 - 2⁸ = 74477219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 74477475.

It is not an unprimeable number, because it can be changed into a prime (74477479) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 16365 + ... + 20414.

It is an arithmetic number, because the mean of its divisors is an integer number (4598726).

Almost surely, 2^74477475 is an apocalyptic number.

74477475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74477475 is a deficient number, since it is larger than the sum of its proper divisors (63484305).

74477475 is a wasteful number, since it uses less digits than its factorization.

74477475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36801 (or 36787 counting only the distinct ones).

The product of its digits is 768320, while the sum is 45.

The square root of 74477475 is about 8630.0333139566. The cubic root of 74477475 is about 420.7346834959.

The spelling of 74477475 in words is "seventy-four million, four hundred seventy-seven thousand, four hundred seventy-five".