74408980 has 24 divisors (see below), whose sum is σ = 156493512. Its totient is φ = 29718912.

The previous prime is 74408969. The next prime is 74408981. The reversal of 74408980 is 8980447.

It can be written as a sum of positive squares in 4 ways, for example, as 2566404 + 71842576 = 1602^2 + 8476^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74408981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13054 + ... + 17866.

It is an arithmetic number, because the mean of its divisors is an integer number (6520563).

Almost surely, 2^74408980 is an apocalyptic number.

It is an amenable number.

74408980 is an abundant number, since it is smaller than the sum of its proper divisors (82084532).

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

74408980 is a wasteful number, since it uses less digits than its factorization.

74408980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595 (or 5593 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 74408980 is about 8626.0639923432. The cubic root of 74408980 is about 420.6056643479.

The spelling of 74408980 in words is "seventy-four million, four hundred eight thousand, nine hundred eighty".