74728275 has 24 divisors (see below), whose sum is σ = 125252400. Its totient is φ = 39306240.

The previous prime is 74728267. The next prime is 74728289. The reversal of 74728275 is 57282747.

It is not a de Polignac number, because 74728275 - 2³ = 74728267 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1350 + ... + 12299.

It is an arithmetic number, because the mean of its divisors is an integer number (5218850).

Almost surely, 2^74728275 is an apocalyptic number.

74728275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74728275 is a deficient number, since it is larger than the sum of its proper divisors (50524125).

74728275 is a wasteful number, since it uses less digits than its factorization.

74728275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13735 (or 13730 counting only the distinct ones).

The product of its digits is 219520, while the sum is 42.

The square root of 74728275 is about 8644.5517524045. The cubic root of 74728275 is about 421.2064235963.

The spelling of 74728275 in words is "seventy-four million, seven hundred twenty-eight thousand, two hundred seventy-five".