74777125 has 16 divisors (see below), whose sum is σ = 93749760. Its totient is φ = 59547600.

The previous prime is 74777123. The next prime is 74777147. The reversal of 74777125 is 52177747.

It is not a de Polignac number, because 74777125 - 2¹ = 74777123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74777123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28624 + ... + 31126.

It is an arithmetic number, because the mean of its divisors is an integer number (5859360).

Almost surely, 2^74777125 is an apocalyptic number.

It is an amenable number.

74777125 is a deficient number, since it is larger than the sum of its proper divisors (18972635).

74777125 is a wasteful number, since it uses less digits than its factorization.

74777125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2747 counting only the distinct ones).

The product of its digits is 96040, while the sum is 40.

The square root of 74777125 is about 8647.3767698650. The cubic root of 74777125 is about 421.2981847220.

The spelling of 74777125 in words is "seventy-four million, seven hundred seventy-seven thousand, one hundred twenty-five".