748680681 has 32 divisors (see below), whose sum is σ = 1175166720. Its totient is φ = 415017216.

The previous prime is 748680671. The next prime is 748680683. The reversal of 748680681 is 186086847.

It is not a de Polignac number, because 748680681 - 2⁷ = 748680553 is a prime.

It is a super-2 number, since 2×748680681² = 1121045524205247522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 748680681.

It is not an unprimeable number, because it can be changed into a prime (748680683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301015 + ... + 303491.

It is an arithmetic number, because the mean of its divisors is an integer number (36723960).

Almost surely, 2^748680681 is an apocalyptic number.

It is an amenable number.

748680681 is a deficient number, since it is larger than the sum of its proper divisors (426486039).

748680681 is a wasteful number, since it uses less digits than its factorization.

748680681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913.

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 748680681 is about 27362.0299137326. The cubic root of 748680681 is about 908.0272366771.

The spelling of 748680681 in words is "seven hundred forty-eight million, six hundred eighty thousand, six hundred eighty-one".