74276864 has 28 divisors (see below), whose sum is σ = 148561044. Its totient is φ = 37134336.

The previous prime is 74276861. The next prime is 74276887. The reversal of 74276864 is 46867247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74276861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3659 + ... + 12725.

Almost surely, 2^74276864 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 74276864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74280522).

74276864 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74276864 is an frugal number, since it uses more digits than its factorization.

74276864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9093 (or 9069 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 74276864 is about 8618.4026362198. The cubic root of 74276864 is about 420.3565830382.

The spelling of 74276864 in words is "seventy-four million, two hundred seventy-six thousand, eight hundred sixty-four".