748192881 has 4 divisors (see below), whose sum is σ = 997590512. Its totient is φ = 498795252.

The previous prime is 748192813. The next prime is 748192901. The reversal of 748192881 is 188291847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 748192881 - 2¹⁵ = 748160113 is a prime.

It is a super-2 number, since 2×748192881² = 1119585174358160322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 748192881.

It is not an unprimeable number, because it can be changed into a prime (748192481) 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, 124698811 + ... + 124698816.

It is an arithmetic number, because the mean of its divisors is an integer number (249397628).

Almost surely, 2^748192881 is an apocalyptic number.

It is an amenable number.

748192881 is a deficient number, since it is larger than the sum of its proper divisors (249397631).

748192881 is a wasteful number, since it uses less digits than its factorization.

748192881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249397630.

The product of its digits is 258048, while the sum is 48.

The square root of 748192881 is about 27353.1146489755. The cubic root of 748192881 is about 907.8299866212.

The spelling of 748192881 in words is "seven hundred forty-eight million, one hundred ninety-two thousand, eight hundred eighty-one".