748520772 has 12 divisors (see below), whose sum is σ = 1746548496. Its totient is φ = 249506920.

The previous prime is 748520771. The next prime is 748520779. The reversal of 748520772 is 277025847.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×748520772² = 1120566692230951968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (748520771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31188354 + ... + 31188377.

It is an arithmetic number, because the mean of its divisors is an integer number (145545708).

Almost surely, 2^748520772 is an apocalyptic number.

It is an amenable number.

748520772 is an abundant number, since it is smaller than the sum of its proper divisors (998027724).

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

748520772 is a wasteful number, since it uses less digits than its factorization.

748520772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62376738 (or 62376736 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 748520772 is about 27359.1076608869. The cubic root of 748520772 is about 907.9625842514.

The spelling of 748520772 in words is "seven hundred forty-eight million, five hundred twenty thousand, seven hundred seventy-two".