749169736 has 64 divisors (see below), whose sum is σ = 1739422080. Its totient is φ = 295142400.

The previous prime is 749169721. The next prime is 749169763. The reversal of 749169736 is 637961947.

It is a super-2 number, since 2×749169736² = 1122510586676619392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31786 + ... + 50086.

It is an arithmetic number, because the mean of its divisors is an integer number (27178470).

Almost surely, 2^749169736 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 749169736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869711040).

749169736 is an abundant number, since it is smaller than the sum of its proper divisors (990252344).

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

749169736 is a wasteful number, since it uses less digits than its factorization.

749169736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18374 (or 18370 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 52.

The square root of 749169736 is about 27370.9652003725. The cubic root of 749169736 is about 908.2249082226.

The spelling of 749169736 in words is "seven hundred forty-nine million, one hundred sixty-nine thousand, seven hundred thirty-six".