74395776 has 128 divisors (see below), whose sum is σ = 243331200. Its totient is φ = 19611648.

The previous prime is 74395721. The next prime is 74395781. The reversal of 74395776 is 67759347.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 33880 + ... + 36008.

It is an arithmetic number, because the mean of its divisors is an integer number (1901025).

Almost surely, 2^74395776 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 74395776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121665600).

74395776 is an abundant number, since it is smaller than the sum of its proper divisors (168935424).

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

74395776 is a wasteful number, since it uses less digits than its factorization.

74395776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2154 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 48.

The square root of 74395776 is about 8625.2986035267. The cubic root of 74395776 is about 420.5807838127.

The spelling of 74395776 in words is "seventy-four million, three hundred ninety-five thousand, seven hundred seventy-six".