749374394 has 16 divisors (see below), whose sum is σ = 1156556448. Its totient is φ = 363892752.

The previous prime is 749374391. The next prime is 749374397. The reversal of 749374394 is 493473947.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (749374391) and next prime (749374397).

It is not an unprimeable number, because it can be changed into a prime (749374391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32669 + ... + 50655.

It is an arithmetic number, because the mean of its divisors is an integer number (72284778).

Almost surely, 2^749374394 is an apocalyptic number.

749374394 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

749374394 is a deficient number, since it is larger than the sum of its proper divisors (407182054).

749374394 is a wasteful number, since it uses less digits than its factorization.

749374394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18589.

The product of its digits is 2286144, while the sum is 50.

The square root of 749374394 is about 27374.7035417737. The cubic root of 749374394 is about 908.3076035768.

The spelling of 749374394 in words is "seven hundred forty-nine million, three hundred seventy-four thousand, three hundred ninety-four".