749605747 has 16 divisors (see below), whose sum is σ = 839028960. Its totient is φ = 663782400.

The previous prime is 749605729. The next prime is 749605751. The reversal of 749605747 is 747506947.

It is a cyclic number.

It is not a de Polignac number, because 749605747 - 2²⁷ = 615388019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 749605747.

It is not an unprimeable number, because it can be changed into a prime (749605757) 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, 465079 + ... + 466687.

It is an arithmetic number, because the mean of its divisors is an integer number (52439310).

Almost surely, 2^749605747 is an apocalyptic number.

749605747 is a deficient number, since it is larger than the sum of its proper divisors (89423213).

749605747 is a wasteful number, since it uses less digits than its factorization.

749605747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 749605747 is about 27378.9288870109. The cubic root of 749605747 is about 908.4010673466.

The spelling of 749605747 in words is "seven hundred forty-nine million, six hundred five thousand, seven hundred forty-seven".