749886240 has 48 divisors (see below), whose sum is σ = 2362143168. Its totient is φ = 199969536.

The previous prime is 749886233. The next prime is 749886251. The reversal of 749886240 is 42688947.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 749886240.

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 7 ways as a sum of consecutive naturals, for example, 780652 + ... + 781611.

It is an arithmetic number, because the mean of its divisors is an integer number (49211316).

Almost surely, 2^749886240 is an apocalyptic number.

It is an amenable number.

749886240 is an abundant number, since it is smaller than the sum of its proper divisors (1612256928).

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

749886240 is a wasteful number, since it uses less digits than its factorization.

749886240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562281 (or 1562273 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 749886240 is about 27384.0508325558. The cubic root of 749886240 is about 908.5143572847.

The spelling of 749886240 in words is "seven hundred forty-nine million, eight hundred eighty-six thousand, two hundred forty".