749667240 has 96 divisors (see below), whose sum is σ = 2784487680. Its totient is φ = 171351936.

The previous prime is 749667227. The next prime is 749667253. The reversal of 749667240 is 42766947.

It is an interprime number because it is at equal distance from previous prime (749667227) and next prime (749667253).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146224 + ... + 151263.

It is an arithmetic number, because the mean of its divisors is an integer number (29005080).

Almost surely, 2^749667240 is an apocalyptic number.

749667240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

749667240 is an abundant number, since it is smaller than the sum of its proper divisors (2034820440).

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

749667240 is a wasteful number, since it uses less digits than its factorization.

749667240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297511 (or 297504 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 749667240 is about 27380.0518626244. The cubic root of 749667240 is about 908.4259065280.

The spelling of 749667240 in words is "seven hundred forty-nine million, six hundred sixty-seven thousand, two hundred forty".