749691238 has 16 divisors (see below), whose sum is σ = 1164206880. Its totient is φ = 361642176.

The previous prime is 749691221. The next prime is 749691251. The reversal of 749691238 is 832196947.

It is a junction number, because it is equal to n+sod(n) for n = 749691191 and 749691200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85306 + ... + 93682.

It is an arithmetic number, because the mean of its divisors is an integer number (72762930).

Almost surely, 2^749691238 is an apocalyptic number.

749691238 is a deficient number, since it is larger than the sum of its proper divisors (414515642).

749691238 is a wasteful number, since it uses less digits than its factorization.

749691238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9951.

The product of its digits is 653184, while the sum is 49.

The square root of 749691238 is about 27380.4900978781. The cubic root of 749691238 is about 908.4355997941.

The spelling of 749691238 in words is "seven hundred forty-nine million, six hundred ninety-one thousand, two hundred thirty-eight".