74973264 has 80 divisors (see below), whose sum is σ = 206861760. Its totient is φ = 23316480.

The previous prime is 74973257. The next prime is 74973271. The reversal of 74973264 is 46237947.

It is an interprime number because it is at equal distance from previous prime (74973257) and next prime (74973271).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113094 + ... + 113754.

It is an arithmetic number, because the mean of its divisors is an integer number (2585772).

Almost surely, 2^74973264 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 74973264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103430880).

74973264 is an abundant number, since it is smaller than the sum of its proper divisors (131888496).

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

74973264 is a wasteful number, since it uses less digits than its factorization.

74973264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 822 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 74973264 is about 8658.7102965742. The cubic root of 74973264 is about 421.6662155491. Note that the first 3 decimals are identical.

The spelling of 74973264 in words is "seventy-four million, nine hundred seventy-three thousand, two hundred sixty-four".