74987416 has 16 divisors (see below), whose sum is σ = 160687440. Its totient is φ = 32137440.

The previous prime is 74987411. The next prime is 74987447. The reversal of 74987416 is 61478947.

It is a super-2 number, since 2×74987416² = 11246225116714112, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74987411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669475 + ... + 669586.

It is an arithmetic number, because the mean of its divisors is an integer number (10042965).

Almost surely, 2^74987416 is an apocalyptic number.

It is an amenable number.

74987416 is an abundant number, since it is smaller than the sum of its proper divisors (85700024).

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

74987416 is a wasteful number, since it uses less digits than its factorization.

74987416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339074 (or 1339070 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 74987416 is about 8659.5274697873. The cubic root of 74987416 is about 421.6927452057.

The spelling of 74987416 in words is "seventy-four million, nine hundred eighty-seven thousand, four hundred sixteen".