7317942740 has 24 divisors (see below), whose sum is σ = 16271661672. Its totient is φ = 2754990080.

The previous prime is 7317942733. The next prime is 7317942767. The reversal of 7317942740 is 472497137.

It can be written as a sum of positive squares in 4 ways, for example, as 43217476 + 7274725264 = 6574^2 + 85292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7317942691 and 7317942700.

It is a congruent number.

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, 10761341 + ... + 10762020.

It is an arithmetic number, because the mean of its divisors is an integer number (677985903).

Almost surely, 2^7317942740 is an apocalyptic number.

It is an amenable number.

7317942740 is an abundant number, since it is smaller than the sum of its proper divisors (8953718932).

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

7317942740 is a wasteful number, since it uses less digits than its factorization.

7317942740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21523387 (or 21523385 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 7317942740 is about 85544.9749546985. The cubic root of 7317942740 is about 1941.4654619641.

The spelling of 7317942740 in words is "seven billion, three hundred seventeen million, nine hundred forty-two thousand, seven hundred forty".