748415720 has 32 divisors (see below), whose sum is σ = 1813470120. Its totient is φ = 276337920.

The previous prime is 748415693. The next prime is 748415729. The reversal of 748415720 is 27514847.

It can be written as a sum of positive squares in 4 ways, for example, as 658127716 + 90288004 = 25654^2 + 9502^2 .

It is not an unprimeable number, because it can be changed into a prime (748415729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719111 + ... + 720150.

Almost surely, 2^748415720 is an apocalyptic number.

It is an amenable number.

748415720 is an abundant number, since it is smaller than the sum of its proper divisors (1065054400).

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

748415720 is a wasteful number, since it uses less digits than its factorization.

748415720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439285 (or 1439281 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 748415720 is about 27357.1877209628. The cubic root of 748415720 is about 907.9201059165.

The spelling of 748415720 in words is "seven hundred forty-eight million, four hundred fifteen thousand, seven hundred twenty".