749651456 has 20 divisors (see below), whose sum is σ = 1497839772. Its totient is φ = 374825472.

The previous prime is 749651453. The next prime is 749651459. The reversal of 749651456 is 654156947.

It is an interprime number because it is at equal distance from previous prime (749651453) and next prime (749651459).

It is a self number, because there is not a number n which added to its sum of digits gives 749651456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749651453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731570 + ... + 732593.

Almost surely, 2^749651456 is an apocalyptic number.

It is an amenable number.

749651456 is a deficient number, since it is larger than the sum of its proper divisors (748188316).

749651456 is an equidigital number, since it uses as much as digits as its factorization.

749651456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464181 (or 1464165 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The square root of 749651456 is about 27379.7636220622. The cubic root of 749651456 is about 908.4195309459.

The spelling of 749651456 in words is "seven hundred forty-nine million, six hundred fifty-one thousand, four hundred fifty-six".