748815520 has 24 divisors (see below), whose sum is σ = 1769077044. Its totient is φ = 299526144.

The previous prime is 748815511. The next prime is 748815523. The reversal of 748815520 is 25518847.

It can be written as a sum of positive squares in 2 ways, for example, as 733543056 + 15272464 = 27084^2 + 3908^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (748815523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339889 + ... + 2340208.

Almost surely, 2^748815520 is an apocalyptic number.

It is an amenable number.

748815520 is an abundant number, since it is smaller than the sum of its proper divisors (1020261524).

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

748815520 is a wasteful number, since it uses less digits than its factorization.

748815520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680112 (or 4680104 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 748815520 is about 27364.4937830028. The cubic root of 748815520 is about 908.0817459572.

The spelling of 748815520 in words is "seven hundred forty-eight million, eight hundred fifteen thousand, five hundred twenty".