74351616 has 44 divisors (see below), whose sum is σ = 198182352. Its totient is φ = 24782848.

The previous prime is 74351597. The next prime is 74351647. The reversal of 74351616 is 61615347.

It is a super-2 number, since 2×74351616² = 11056325603622912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9030 + ... + 15173.

Almost surely, 2^74351616 is an apocalyptic number.

It is an amenable number.

74351616 is an abundant number, since it is smaller than the sum of its proper divisors (123830736).

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

74351616 is a wasteful number, since it uses less digits than its factorization.

74351616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24226 (or 24208 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 74351616 is about 8622.7383121605. The cubic root of 74351616 is about 420.4975509355.

The spelling of 74351616 in words is "seventy-four million, three hundred fifty-one thousand, six hundred sixteen".