74516690 has 8 divisors (see below), whose sum is σ = 134130060. Its totient is φ = 29806672.

The previous prime is 74516681. The next prime is 74516699. The reversal of 74516690 is 9661547.

It is an interprime number because it is at equal distance from previous prime (74516681) and next prime (74516699).

It can be written as a sum of positive squares in 2 ways, for example, as 64850809 + 9665881 = 8053^2 + 3109^2 .

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

It is a super-2 number, since 2×74516690² = 11105474177112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74516699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3725825 + ... + 3725844.

Almost surely, 2^74516690 is an apocalyptic number.

74516690 is a deficient number, since it is larger than the sum of its proper divisors (59613370).

74516690 is a wasteful number, since it uses less digits than its factorization.

74516690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451676.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 74516690 is about 8632.3050224143. The cubic root of 74516690 is about 420.8085143899.

It can be divided in two parts, 7451 and 6690, that added together give a palindrome (14141).

The spelling of 74516690 in words is "seventy-four million, five hundred sixteen thousand, six hundred ninety".