74866290 has 16 divisors (see below), whose sum is σ = 179679168. Its totient is φ = 19964336.

The previous prime is 74866279. The next prime is 74866301. The reversal of 74866290 is 9266847.

It is an interprime number because it is at equal distance from previous prime (74866279) and next prime (74866301).

It is a super-2 number, since 2×74866290² = 11209922756728200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247742 + ... + 1247801.

It is an arithmetic number, because the mean of its divisors is an integer number (11229948).

Almost surely, 2^74866290 is an apocalyptic number.

74866290 is an abundant number, since it is smaller than the sum of its proper divisors (104812878).

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

74866290 is a wasteful number, since it uses less digits than its factorization.

74866290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495553.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 74866290 is about 8652.5308436318. The cubic root of 74866290 is about 421.4655716136.

The spelling of 74866290 in words is "seventy-four million, eight hundred sixty-six thousand, two hundred ninety".