748157856 has 24 divisors (see below), whose sum is σ = 1963914624. Its totient is φ = 249385920.

The previous prime is 748157833. The next prime is 748157867. The reversal of 748157856 is 658751847.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×748157856³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 748157799 and 748157808.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3896560 + ... + 3896751.

It is an arithmetic number, because the mean of its divisors is an integer number (81829776).

Almost surely, 2^748157856 is an apocalyptic number.

It is an amenable number.

748157856 is an abundant number, since it is smaller than the sum of its proper divisors (1215756768).

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

748157856 is a wasteful number, since it uses less digits than its factorization.

748157856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793324 (or 7793316 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 51.

The square root of 748157856 is about 27352.4744036074. The cubic root of 748157856 is about 907.8158203804.

The spelling of 748157856 in words is "seven hundred forty-eight million, one hundred fifty-seven thousand, eight hundred fifty-six".