74782275 has 12 divisors (see below), whose sum is σ = 123640152. Its totient is φ = 39883840.

The previous prime is 74782229. The next prime is 74782277. The reversal of 74782275 is 57228747.

It is not a de Polignac number, because 74782275 - 2¹¹ = 74780227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74782277) 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, 498474 + ... + 498623.

It is an arithmetic number, because the mean of its divisors is an integer number (10303346).

Almost surely, 2^74782275 is an apocalyptic number.

74782275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74782275 is a deficient number, since it is larger than the sum of its proper divisors (48857877).

74782275 is a wasteful number, since it uses less digits than its factorization.

74782275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997110 (or 997105 counting only the distinct ones).

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

The square root of 74782275 is about 8647.6745429046. The cubic root of 74782275 is about 421.3078562887.

It can be divided in two parts, 74782 and 275, that added together give a palindrome (75057).

The spelling of 74782275 in words is "seventy-four million, seven hundred eighty-two thousand, two hundred seventy-five".