740345456 has 20 divisors (see below), whose sum is σ = 1436824704. Its totient is φ = 369552000.

The previous prime is 740345449. The next prime is 740345477. The reversal of 740345456 is 654543047.

It is a happy number.

It is a super-2 number, since 2×740345456² = 1096222788439695872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28880 + ... + 48111.

Almost surely, 2^740345456 is an apocalyptic number.

It is an amenable number.

740345456 is a deficient number, since it is larger than the sum of its proper divisors (696479248).

740345456 is a wasteful number, since it uses less digits than its factorization.

740345456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77600 (or 77594 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 740345456 is about 27209.2898841554. The cubic root of 740345456 is about 904.6448983816.

The spelling of 740345456 in words is "seven hundred forty million, three hundred forty-five thousand, four hundred fifty-six".