74180940 has 48 divisors (see below), whose sum is σ = 218641920. Its totient is φ = 18740160.

The previous prime is 74180933. The next prime is 74180947. The reversal of 74180940 is 4908147.

It is an interprime number because it is at equal distance from previous prime (74180933) and next prime (74180947).

It is not an unprimeable number, because it can be changed into a prime (74180947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31396 + ... + 33675.

It is an arithmetic number, because the mean of its divisors is an integer number (4555040).

Almost surely, 2^74180940 is an apocalyptic number.

It is an amenable number.

74180940 is an abundant number, since it is smaller than the sum of its proper divisors (144460980).

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

74180940 is a wasteful number, since it uses less digits than its factorization.

74180940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65102 (or 65100 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 74180940 is about 8612.8357699424. The cubic root of 74180940 is about 420.1755501967.

The spelling of 74180940 in words is "seventy-four million, one hundred eighty thousand, nine hundred forty".