74872940 has 12 divisors (see below), whose sum is σ = 157233216. Its totient is φ = 29949168.

The previous prime is 74872937. The next prime is 74872943. The reversal of 74872940 is 4927847.

It is an interprime number because it is at equal distance from previous prime (74872937) and next prime (74872943).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (74872943) 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, 1871804 + ... + 1871843.

It is an arithmetic number, because the mean of its divisors is an integer number (13102768).

Almost surely, 2^74872940 is an apocalyptic number.

It is an amenable number.

74872940 is an abundant number, since it is smaller than the sum of its proper divisors (82360276).

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

74872940 is a wasteful number, since it uses less digits than its factorization.

74872940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743656 (or 3743654 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 74872940 is about 8652.9151157283. The cubic root of 74872940 is about 421.4780501406.

The spelling of 74872940 in words is "seventy-four million, eight hundred seventy-two thousand, nine hundred forty".