740340724 has 24 divisors (see below), whose sum is σ = 1306436040. Its totient is φ = 367087104.

The previous prime is 740340707. The next prime is 740340743. The reversal of 740340724 is 427043047.

It can be written as a sum of positive squares in 4 ways, for example, as 14577124 + 725763600 = 3818^2 + 26940^2 .

It is a super-2 number, since 2×740340724² = 1096208775225688352, which contains 22 as substring.

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, 249232 + ... + 252184.

It is an arithmetic number, because the mean of its divisors is an integer number (54434835).

Almost surely, 2^740340724 is an apocalyptic number.

It is an amenable number.

740340724 is a deficient number, since it is larger than the sum of its proper divisors (566095316).

740340724 is a wasteful number, since it uses less digits than its factorization.

740340724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459 (or 3457 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 740340724 is about 27209.2029284211. The cubic root of 740340724 is about 904.6429709981.

The spelling of 740340724 in words is "seven hundred forty million, three hundred forty thousand, seven hundred twenty-four".