74190865 has 8 divisors (see below), whose sum is σ = 101747520. Its totient is φ = 50873712.

The previous prime is 74190859. The next prime is 74190871. The reversal of 74190865 is 56809147.

It is an interprime number because it is at equal distance from previous prime (74190859) and next prime (74190871).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74190865 - 2²¹ = 72093713 is a prime.

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, 1059835 + ... + 1059904.

It is an arithmetic number, because the mean of its divisors is an integer number (12718440).

Almost surely, 2^74190865 is an apocalyptic number.

It is an amenable number.

74190865 is a deficient number, since it is larger than the sum of its proper divisors (27556655).

74190865 is a wasteful number, since it uses less digits than its factorization.

74190865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119751.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 74190865 is about 8613.4119255960. The cubic root of 74190865 is about 420.1942884169.

The spelling of 74190865 in words is "seventy-four million, one hundred ninety thousand, eight hundred sixty-five".