749999424 has 28 divisors (see below), whose sum is σ = 1984373984. Its totient is φ = 249999744.

The previous prime is 749999423. The next prime is 749999473. The reversal of 749999424 is 424999947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749999423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952932 + ... + 1953315.

Almost surely, 2^749999424 is an apocalyptic number.

It is an amenable number.

749999424 is an abundant number, since it is smaller than the sum of its proper divisors (1234374560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749999424 is a wasteful number, since it uses less digits than its factorization.

749999424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906262 (or 3906252 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The square root of 749999424 is about 27386.1173589832. The cubic root of 749999424 is about 908.5600638246.

The spelling of 749999424 in words is "seven hundred forty-nine million, nine hundred ninety-nine thousand, four hundred twenty-four".