749015568 has 360 divisors, whose sum is σ = 2653609920. Its totient is φ = 195955200.

The previous prime is 749015543. The next prime is 749015569. The reversal of 749015568 is 865510947.

749015568 is a `hidden beast` number, since 7 + 4 + 90 + 1 + 556 + 8 = 666.

It is a super-2 number, since 2×749015568² = 1122048642212725248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749015569) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4960293 + ... + 4960443.

Almost surely, 2^749015568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749015568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326804960).

749015568 is an abundant number, since it is smaller than the sum of its proper divisors (1904594352).

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

749015568 is a wasteful number, since it uses less digits than its factorization.

749015568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 749015568 is about 27368.1487865000. The cubic root of 749015568 is about 908.1626042183.

The spelling of 749015568 in words is "seven hundred forty-nine million, fifteen thousand, five hundred sixty-eight".