749364870 has 128 divisors (see below), whose sum is σ = 1909163520. Its totient is φ = 188052480.

The previous prime is 749364857. The next prime is 749364871. The reversal of 749364870 is 78463947.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749364871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7003357 + ... + 7003463.

It is an arithmetic number, because the mean of its divisors is an integer number (14915340).

Almost surely, 2^749364870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749364870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954581760).

749364870 is an abundant number, since it is smaller than the sum of its proper divisors (1159798650).

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

749364870 is a wasteful number, since it uses less digits than its factorization.

749364870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 749364870 is about 27374.5295849993. The cubic root of 749364870 is about 908.3037555856.

The spelling of 749364870 in words is "seven hundred forty-nine million, three hundred sixty-four thousand, eight hundred seventy".