748155648 has 36 divisors (see below), whose sum is σ = 1991187128. Its totient is φ = 249384960.

The previous prime is 748155637. The next prime is 748155649. The reversal of 748155648 is 846551847.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 748155597 and 748155606.

It is not an unprimeable number, because it can be changed into a prime (748155649) 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, 486313 + ... + 487848.

Almost surely, 2^748155648 is an apocalyptic number.

It is an amenable number.

748155648 is an abundant number, since it is smaller than the sum of its proper divisors (1243031480).

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

748155648 is an equidigital number, since it uses as much as digits as its factorization.

748155648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974180 (or 974166 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 748155648 is about 27352.4340415986. The cubic root of 748155648 is about 907.8149273161.

The spelling of 748155648 in words is "seven hundred forty-eight million, one hundred fifty-five thousand, six hundred forty-eight".