74268530 has 48 divisors (see below), whose sum is σ = 161300160. Its totient is φ = 24115104.

The previous prime is 74268527. The next prime is 74268547. The reversal of 74268530 is 3586247.

It is a happy number.

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

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, 23801 + ... + 26739.

It is an arithmetic number, because the mean of its divisors is an integer number (3360420).

Almost surely, 2^74268530 is an apocalyptic number.

74268530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74268530 is an abundant number, since it is smaller than the sum of its proper divisors (87031630).

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

74268530 is a wasteful number, since it uses less digits than its factorization.

74268530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991 (or 2972 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 74268530 is about 8617.9191223868. The cubic root of 74268530 is about 420.3408608577.

The spelling of 74268530 in words is "seventy-four million, two hundred sixty-eight thousand, five hundred thirty".