740242688 has 18 divisors (see below), whose sum is σ = 1477594314. Its totient is φ = 370121216.

The previous prime is 740242667. The next prime is 740242709. The reversal of 740242688 is 886242047.

It is an interprime number because it is at equal distance from previous prime (740242667) and next prime (740242709).

It can be written as a sum of positive squares in only one way, i.e., 702886144 + 37356544 = 26512^2 + 6112^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445531 + ... + 1446042.

It is an arithmetic number, because the mean of its divisors is an integer number (82088573).

Almost surely, 2^740242688 is an apocalyptic number.

It is an amenable number.

740242688 is a deficient number, since it is larger than the sum of its proper divisors (737351626).

740242688 is an equidigital number, since it uses as much as digits as its factorization.

740242688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891589 (or 2891575 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 740242688 is about 27207.4013459573. The cubic root of 740242688 is about 904.6030382616.

The spelling of 740242688 in words is "seven hundred forty million, two hundred forty-two thousand, six hundred eighty-eight".