7400080 has 40 divisors (see below), whose sum is σ = 17322552. Its totient is φ = 2939904.

The previous prime is 7400077. The next prime is 7400123. The reversal of 7400080 is 800047.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 451584 + 6948496 = 672^2 + 2636^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×7400080² = 109522368012800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18442 + ... + 18838.

Almost surely, 2^7400080 is an apocalyptic number.

It is an amenable number.

7400080 is an abundant number, since it is smaller than the sum of its proper divisors (9922472).

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

7400080 is a wasteful number, since it uses less digits than its factorization.

7400080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 7400080 is about 2720.3088059998. The cubic root of 7400080 is about 194.8702182674.

The spelling of 7400080 in words is "seven million, four hundred thousand, eighty".