749753913 has 4 divisors (see below), whose sum is σ = 999671888. Its totient is φ = 499835940.

The previous prime is 749753897. The next prime is 749753923. The reversal of 749753913 is 319357947.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 749753913 - 2⁴ = 749753897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (749753923) 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, 124958983 + ... + 124958988.

It is an arithmetic number, because the mean of its divisors is an integer number (249917972).

Almost surely, 2^749753913 is an apocalyptic number.

It is an amenable number.

749753913 is a deficient number, since it is larger than the sum of its proper divisors (249917975).

749753913 is a wasteful number, since it uses less digits than its factorization.

749753913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249917974.

The product of its digits is 714420, while the sum is 48.

The square root of 749753913 is about 27381.6345932817. The cubic root of 749753913 is about 908.4609144889.

The spelling of 749753913 in words is "seven hundred forty-nine million, seven hundred fifty-three thousand, nine hundred thirteen".