748757520 has 400 divisors, whose sum is σ = 3150119808. Its totient is φ = 160911360.

The previous prime is 748757519. The next prime is 748757531. The reversal of 748757520 is 25757847.

748757520 is a `hidden beast` number, since 74 + 8 + 7 + 57 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 770635 + ... + 771605.

Almost surely, 2^748757520 is an apocalyptic number.

748757520 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 748757520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575059904).

748757520 is an abundant number, since it is smaller than the sum of its proper divisors (2401362288).

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

748757520 is a wasteful number, since it uses less digits than its factorization.

748757520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 748757520 is about 27363.4339950234. The cubic root of 748757520 is about 908.0582999950.

The spelling of 748757520 in words is "seven hundred forty-eight million, seven hundred fifty-seven thousand, five hundred twenty".