74307275 has 18 divisors (see below), whose sum is σ = 107186220. Its totient is φ = 50952720.

The previous prime is 74307269. The next prime is 74307281. The reversal of 74307275 is 57270347.

It is an interprime number because it is at equal distance from previous prime (74307269) and next prime (74307281).

It is not a de Polignac number, because 74307275 - 2¹⁴ = 74290891 is a prime.

It is a super-2 number, since 2×74307275² = 11043142235851250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29105 + ... + 31554.

It is an arithmetic number, because the mean of its divisors is an integer number (5954790).

Almost surely, 2^74307275 is an apocalyptic number.

74307275 is a deficient number, since it is larger than the sum of its proper divisors (32878945).

74307275 is a wasteful number, since it uses less digits than its factorization.

74307275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60683 (or 60671 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 74307275 is about 8620.1667617280. The cubic root of 74307275 is about 420.4139437430.

The spelling of 74307275 in words is "seventy-four million, three hundred seven thousand, two hundred seventy-five".