693312740 has 12 divisors (see below), whose sum is σ = 1455956796. Its totient is φ = 277325088.

The previous prime is 693312731. The next prime is 693312757. The reversal of 693312740 is 47213396.

It can be written as a sum of positive squares in 2 ways, for example, as 457874404 + 235438336 = 21398^2 + 15344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 693312740.

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, 17332799 + ... + 17332838.

It is an arithmetic number, because the mean of its divisors is an integer number (121329733).

Almost surely, 2^693312740 is an apocalyptic number.

It is an amenable number.

693312740 is an abundant number, since it is smaller than the sum of its proper divisors (762644056).

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

693312740 is a wasteful number, since it uses less digits than its factorization.

693312740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34665646 (or 34665644 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 693312740 is about 26330.8324972835. The cubic root of 693312740 is about 885.0674999321.

The spelling of 693312740 in words is "six hundred ninety-three million, three hundred twelve thousand, seven hundred forty".