748992861 has 12 divisors (see below), whose sum is σ = 1128917088. Its totient is φ = 477618504.

The previous prime is 748992859. The next prime is 748992899. The reversal of 748992861 is 168299847.

It is not a de Polignac number, because 748992861 - 2¹ = 748992859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 748992798 and 748992807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748990861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1808955 + ... + 1809368.

It is an arithmetic number, because the mean of its divisors is an integer number (94076424).

Almost surely, 2^748992861 is an apocalyptic number.

It is an amenable number.

748992861 is a deficient number, since it is larger than the sum of its proper divisors (379924227).

748992861 is a wasteful number, since it uses less digits than its factorization.

748992861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618352 (or 3618349 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 748992861 is about 27367.7339398058. The cubic root of 748992861 is about 908.1534269028.

The spelling of 748992861 in words is "seven hundred forty-eight million, nine hundred ninety-two thousand, eight hundred sixty-one".