74040080 has 20 divisors (see below), whose sum is σ = 172143372. Its totient is φ = 29616000.

The previous prime is 74040077. The next prime is 74040097. The reversal of 74040080 is 8004047.

It can be written as a sum of positive squares in 2 ways, for example, as 17007376 + 57032704 = 4124^2 + 7552^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462671 + ... + 462830.

Almost surely, 2^74040080 is an apocalyptic number.

It is an amenable number.

74040080 is an abundant number, since it is smaller than the sum of its proper divisors (98103292).

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

74040080 is a wasteful number, since it uses less digits than its factorization.

74040080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925514 (or 925508 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 74040080 is about 8604.6545543677. The cubic root of 74040080 is about 419.9094286938.

The spelling of 74040080 in words is "seventy-four million, forty thousand, eighty".