74740260 has 48 divisors (see below), whose sum is σ = 239170176. Its totient is φ = 17083392.

The previous prime is 74740231. The next prime is 74740261. The reversal of 74740260 is 6204747.

It is a super-2 number, since 2×74740260² = 11172212929735200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (74740261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88557 + ... + 89396.

It is an arithmetic number, because the mean of its divisors is an integer number (4982712).

Almost surely, 2^74740260 is an apocalyptic number.

74740260 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74740260 is an abundant number, since it is smaller than the sum of its proper divisors (164429916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74740260 is a wasteful number, since it uses less digits than its factorization.

74740260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177972 (or 177970 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 74740260 is about 8645.2449358014. The cubic root of 74740260 is about 421.2289402369.

The spelling of 74740260 in words is "seventy-four million, seven hundred forty thousand, two hundred sixty".