749290464 has 72 divisors (see below), whose sum is σ = 2294713512. Its totient is φ = 230549760.

The previous prime is 749290447. The next prime is 749290537. The reversal of 749290464 is 464092947.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×749290464² = 1122872398882670592, 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96322 + ... + 103809.

It is an arithmetic number, because the mean of its divisors is an integer number (31871021).

Almost surely, 2^749290464 is an apocalyptic number.

It is an amenable number.

749290464 is an abundant number, since it is smaller than the sum of its proper divisors (1545423048).

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

749290464 is a wasteful number, since it uses less digits than its factorization.

749290464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200160 (or 200149 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 749290464 is about 27373.1705142097. The cubic root of 749290464 is about 908.2736921328.

The spelling of 749290464 in words is "seven hundred forty-nine million, two hundred ninety thousand, four hundred sixty-four".