7390290331 has 8 divisors (see below), whose sum is σ = 7960166720. Its totient is φ = 6838505352.

The previous prime is 7390290329. The next prime is 7390290359. The reversal of 7390290331 is 1330920937.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7390290331 - 2¹ = 7390290329 is a prime.

It is a super-2 number, since 2×7390290331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7390290301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522005 + ... + 4523638.

It is an arithmetic number, because the mean of its divisors is an integer number (995020840).

Almost surely, 2^7390290331 is an apocalyptic number.

7390290331 is a deficient number, since it is larger than the sum of its proper divisors (569876389).

7390290331 is a wasteful number, since it uses less digits than its factorization.

7390290331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045705.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 7390290331 is about 85966.7978407943. The cubic root of 7390290331 is about 1947.8424816975.

The spelling of 7390290331 in words is "seven billion, three hundred ninety million, two hundred ninety thousand, three hundred thirty-one".