7402090977 has 12 divisors (see below), whose sum is σ = 10820728464. Its totient is φ = 4875272280.

The previous prime is 7402090951. The next prime is 7402090991. The reversal of 7402090977 is 7790902047.

It is a happy number.

It is not a de Polignac number, because 7402090977 - 2⁷ = 7402090849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7402090177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4953799 + ... + 4955292.

It is an arithmetic number, because the mean of its divisors is an integer number (901727372).

Almost surely, 2^7402090977 is an apocalyptic number.

It is an amenable number.

7402090977 is a deficient number, since it is larger than the sum of its proper divisors (3418637487).

7402090977 is a wasteful number, since it uses less digits than its factorization.

7402090977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909180 (or 9909177 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 7402090977 is about 86035.4053689526. The cubic root of 7402090977 is about 1948.8786870879.

The spelling of 7402090977 in words is "seven billion, four hundred two million, ninety thousand, nine hundred seventy-seven".