74364490 has 16 divisors (see below), whose sum is σ = 136051560. Its totient is φ = 29257920.

The previous prime is 74364467. The next prime is 74364491. The reversal of 74364490 is 9446347.

It can be written as a sum of positive squares in 4 ways, for example, as 38328481 + 36036009 = 6191^2 + 6003^2 .

It is not an unprimeable number, because it can be changed into a prime (74364491) 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, 60345 + ... + 61564.

Almost surely, 2^74364490 is an apocalyptic number.

74364490 is a deficient number, since it is larger than the sum of its proper divisors (61687070).

74364490 is a wasteful number, since it uses less digits than its factorization.

74364490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121977.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 74364490 is about 8623.4847944436. The cubic root of 74364490 is about 420.5218192852.

The spelling of 74364490 in words is "seventy-four million, three hundred sixty-four thousand, four hundred ninety".