74282990 has 16 divisors (see below), whose sum is σ = 134673840. Its totient is φ = 29498880.

The previous prime is 74282959. The next prime is 74282993. The reversal of 74282990 is 9928247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74282993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25331 + ... + 28110.

It is an arithmetic number, because the mean of its divisors is an integer number (8417115).

Almost surely, 2^74282990 is an apocalyptic number.

74282990 is a deficient number, since it is larger than the sum of its proper divisors (60390850).

74282990 is a wasteful number, since it uses less digits than its factorization.

74282990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53587.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 74282990 is about 8618.7580311783. The cubic root of 74282990 is about 420.3681390531.

The spelling of 74282990 in words is "seventy-four million, two hundred eighty-two thousand, nine hundred ninety".