744499931 has 4 divisors (see below), whose sum is σ = 850857072. Its totient is φ = 638142792.

The previous prime is 744499897. The next prime is 744499963. The reversal of 744499931 is 139994447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139994447 = 9829 ⋅14243.

It is not a de Polignac number, because 744499931 - 2²⁶ = 677391067 is a prime.

It is a super-2 number, since 2×744499931² = 1108560294518009522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 744499931.

It is not an unprimeable number, because it can be changed into a prime (744499991) 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, 53178560 + ... + 53178573.

It is an arithmetic number, because the mean of its divisors is an integer number (212714268).

Almost surely, 2^744499931 is an apocalyptic number.

744499931 is a deficient number, since it is larger than the sum of its proper divisors (106357141).

744499931 is a wasteful number, since it uses less digits than its factorization.

744499931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106357140.

The product of its digits is 979776, while the sum is 50.

The square root of 744499931 is about 27285.5260348779. The cubic root of 744499931 is about 906.3338920927. Note that the first 3 decimals are identical.

The spelling of 744499931 in words is "seven hundred forty-four million, four hundred ninety-nine thousand, nine hundred thirty-one".