74698680 has 128 divisors (see below), whose sum is σ = 271226880. Its totient is φ = 16066560.

The previous prime is 74698649. The next prime is 74698717. The reversal of 74698680 is 8689647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11665 + ... + 16895.

It is an arithmetic number, because the mean of its divisors is an integer number (2118960).

Almost surely, 2^74698680 is an apocalyptic number.

74698680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74698680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135613440).

74698680 is an abundant number, since it is smaller than the sum of its proper divisors (196528200).

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

74698680 is a wasteful number, since it uses less digits than its factorization.

74698680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269 (or 5265 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 74698680 is about 8642.8398110806. The cubic root of 74698680 is about 421.1508121156.

The spelling of 74698680 in words is "seventy-four million, six hundred ninety-eight thousand, six hundred eighty".