749870056 has 32 divisors (see below), whose sum is σ = 1529173800. Its totient is φ = 342662400.

The previous prime is 749870053. The next prime is 749870141. The reversal of 749870056 is 650078947.

It is a happy number.

749870056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 747147556 + 2722500 = 27334^2 + 1650^2 .

It is a junction number, because it is equal to n+sod(n) for n = 749869988 and 749870015.

It is not an unprimeable number, because it can be changed into a prime (749870053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25191 + ... + 46198.

Almost surely, 2^749870056 is an apocalyptic number.

It is an amenable number.

749870056 is an abundant number, since it is smaller than the sum of its proper divisors (779303744).

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

749870056 is a wasteful number, since it uses less digits than its factorization.

749870056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71509 (or 71505 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 749870056 is about 27383.7553304875. The cubic root of 749870056 is about 908.5078214035.

The spelling of 749870056 in words is "seven hundred forty-nine million, eight hundred seventy thousand, fifty-six".