749093520 has 320 divisors, whose sum is σ = 2776965120. Its totient is φ = 163497984.

The previous prime is 749093489. The next prime is 749093531. The reversal of 749093520 is 25390947.

It is a super-2 number, since 2×749093520² = 1122282203411980800, which contains 22 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 4184791 + ... + 4184969.

It is an arithmetic number, because the mean of its divisors is an integer number (8678016).

Almost surely, 2^749093520 is an apocalyptic number.

749093520 is a gapful number since it is divisible by the number (70) 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 749093520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1388482560).

749093520 is an abundant number, since it is smaller than the sum of its proper divisors (2027871600).

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

749093520 is a wasteful number, since it uses less digits than its factorization.

749093520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 749093520 is about 27369.5728866930. The cubic root of 749093520 is about 908.1941080742.

The spelling of 749093520 in words is "seven hundred forty-nine million, ninety-three thousand, five hundred twenty".