74864860 has 48 divisors (see below), whose sum is σ = 180169920. Its totient is φ = 25597440.

The previous prime is 74864857. The next prime is 74864861. The reversal of 74864860 is 6846847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74864861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92136 + ... + 92944.

It is an arithmetic number, because the mean of its divisors is an integer number (3753540).

Almost surely, 2^74864860 is an apocalyptic number.

74864860 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74864860 is an abundant number, since it is smaller than the sum of its proper divisors (105305060).

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

74864860 is a wasteful number, since it uses less digits than its factorization.

74864860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 74864860 is about 8652.4482084552. The cubic root of 74864860 is about 421.4628881646.

The spelling of 74864860 in words is "seventy-four million, eight hundred sixty-four thousand, eight hundred sixty".