74132980 has 12 divisors (see below), whose sum is σ = 155679300. Its totient is φ = 29653184.

The previous prime is 74132977. The next prime is 74132987. The reversal of 74132980 is 8923147.

It can be written as a sum of positive squares in 2 ways, for example, as 58308496 + 15824484 = 7636^2 + 3978^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74132987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853305 + ... + 1853344.

It is an arithmetic number, because the mean of its divisors is an integer number (12973275).

Almost surely, 2^74132980 is an apocalyptic number.

It is an amenable number.

74132980 is an abundant number, since it is smaller than the sum of its proper divisors (81546320).

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

74132980 is a wasteful number, since it uses less digits than its factorization.

74132980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706658 (or 3706656 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 74132980 is about 8610.0511032165. The cubic root of 74132980 is about 420.0849790257.

The spelling of 74132980 in words is "seventy-four million, one hundred thirty-two thousand, nine hundred eighty".