749503747 has 4 divisors (see below), whose sum is σ = 749730240. Its totient is φ = 749277256.

The previous prime is 749503721. The next prime is 749503759. The reversal of 749503747 is 747305947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 749503747 - 2²⁷ = 615286019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749503697 and 749503706.

It is not an unprimeable number, because it can be changed into a prime (749501747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108208 + ... + 114925.

It is an arithmetic number, because the mean of its divisors is an integer number (187432560).

Almost surely, 2^749503747 is an apocalyptic number.

749503747 is a deficient number, since it is larger than the sum of its proper divisors (226493).

749503747 is a wasteful number, since it uses less digits than its factorization.

749503747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226492.

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 749503747 is about 27377.0660772845. The cubic root of 749503747 is about 908.3598629702.

The spelling of 749503747 in words is "seven hundred forty-nine million, five hundred three thousand, seven hundred forty-seven".