749590478 has 32 divisors (see below), whose sum is σ = 1428510720. Its totient is φ = 286973280.

The previous prime is 749590477. The next prime is 749590487. The reversal of 749590478 is 874095947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749590477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60788 + ... + 72071.

It is an arithmetic number, because the mean of its divisors is an integer number (44640960).

Almost surely, 2^749590478 is an apocalyptic number.

749590478 is a deficient number, since it is larger than the sum of its proper divisors (678920242).

749590478 is a wasteful number, since it uses less digits than its factorization.

749590478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132912.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 749590478 is about 27378.6500397664. The cubic root of 749590478 is about 908.3948994509.

The spelling of 749590478 in words is "seven hundred forty-nine million, five hundred ninety thousand, four hundred seventy-eight".