749159424 has 264 divisors, whose sum is σ = 2406698840. Its totient is φ = 224280576.

The previous prime is 749159419. The next prime is 749159431. The reversal of 749159424 is 424951947.

749159424 is a `hidden beast` number, since 74 + 9 + 159 + 424 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 92160000 + 656999424 = 9600^2 + 25632^2 .

It is a super-2 number, since 2×749159424² = 1122479685136023552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749159424.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20247534 + ... + 20247570.

Almost surely, 2^749159424 is an apocalyptic number.

749159424 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749159424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203349420).

749159424 is an abundant number, since it is smaller than the sum of its proper divisors (1657539416).

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

749159424 is a wasteful number, since it uses less digits than its factorization.

749159424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 55 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 749159424 is about 27370.7768249277. The cubic root of 749159424 is about 908.2207410948.

The spelling of 749159424 in words is "seven hundred forty-nine million, one hundred fifty-nine thousand, four hundred twenty-four".