749700791 has 4 divisors (see below), whose sum is σ = 856800912. Its totient is φ = 642600672.

The previous prime is 749700773. The next prime is 749700793. The reversal of 749700791 is 197007947.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 197007947 = 73 ⋅2698739.

It is not a de Polignac number, because 749700791 - 2¹⁰ = 749699767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749700793) 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, 53550050 + ... + 53550063.

It is an arithmetic number, because the mean of its divisors is an integer number (214200228).

Almost surely, 2^749700791 is an apocalyptic number.

749700791 is a deficient number, since it is larger than the sum of its proper divisors (107100121).

749700791 is a wasteful number, since it uses less digits than its factorization.

749700791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107100120.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 749700791 is about 27380.6645463546. The cubic root of 749700791 is about 908.4394583820.

The spelling of 749700791 in words is "seven hundred forty-nine million, seven hundred thousand, seven hundred ninety-one".