74963616 has 96 divisors (see below), whose sum is σ = 242218368. Its totient is φ = 19768320.

The previous prime is 74963597. The next prime is 74963633. The reversal of 74963616 is 61636947.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4446 + ... + 13026.

It is an arithmetic number, because the mean of its divisors is an integer number (2523108).

Almost surely, 2^74963616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74963616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121109184).

74963616 is an abundant number, since it is smaller than the sum of its proper divisors (167254752).

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

74963616 is a wasteful number, since it uses less digits than its factorization.

74963616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614 (or 8606 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 74963616 is about 8658.1531517986. The cubic root of 74963616 is about 421.6481272780.

The spelling of 74963616 in words is "seventy-four million, nine hundred sixty-three thousand, six hundred sixteen".