749601731 has 16 divisors (see below), whose sum is σ = 792834048. Its totient is φ = 707664000.

The previous prime is 749601709. The next prime is 749601767. The reversal of 749601731 is 137106947.

It is a cyclic number.

It is not a de Polignac number, because 749601731 - 2¹⁸ = 749339587 is a prime.

It is a super-2 number, since 2×749601731² = 1123805510236392722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749601331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583616 + ... + 584898.

It is an arithmetic number, because the mean of its divisors is an integer number (49552128).

Almost surely, 2^749601731 is an apocalyptic number.

749601731 is a deficient number, since it is larger than the sum of its proper divisors (43232317).

749601731 is a wasteful number, since it uses less digits than its factorization.

749601731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 749601731 is about 27378.8555458405. The cubic root of 749601731 is about 908.3994450959.

The spelling of 749601731 in words is "seven hundred forty-nine million, six hundred one thousand, seven hundred thirty-one".