748881815 has 32 divisors (see below), whose sum is σ = 998424576. Its totient is φ = 534677760.

The previous prime is 748881803. The next prime is 748881823. The reversal of 748881815 is 518188847.

748881815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 748881815 - 2¹⁰ = 748880791 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1537502 + ... + 1537988.

It is an arithmetic number, because the mean of its divisors is an integer number (31200768).

Almost surely, 2^748881815 is an apocalyptic number.

748881815 is a deficient number, since it is larger than the sum of its proper divisors (249542761).

748881815 is a wasteful number, since it uses less digits than its factorization.

748881815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959.

The product of its digits is 573440, while the sum is 50.

The square root of 748881815 is about 27365.7050886689. The cubic root of 748881815 is about 908.1085436135.

The spelling of 748881815 in words is "seven hundred forty-eight million, eight hundred eighty-one thousand, eight hundred fifteen".