74718490 has 64 divisors (see below), whose sum is σ = 175011840. Its totient is φ = 22271040.

The previous prime is 74718481. The next prime is 74718517. The reversal of 74718490 is 9481747.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15601 + ... + 19819.

It is an arithmetic number, because the mean of its divisors is an integer number (2734560).

Almost surely, 2^74718490 is an apocalyptic number.

74718490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74718490 is an abundant number, since it is smaller than the sum of its proper divisors (100293350).

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

74718490 is a wasteful number, since it uses less digits than its factorization.

74718490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 74718490 is about 8643.9857704649. The cubic root of 74718490 is about 421.1880383877.

The spelling of 74718490 in words is "seventy-four million, seven hundred eighteen thousand, four hundred ninety".