748940879 has 4 divisors (see below), whose sum is σ = 788358840. Its totient is φ = 709522920.

The previous prime is 748940869. The next prime is 748940887. The reversal of 748940879 is 978049847.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 748940879 - 2¹⁶ = 748875343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748940839) 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, 19708952 + ... + 19708989.

It is an arithmetic number, because the mean of its divisors is an integer number (197089710).

Almost surely, 2^748940879 is an apocalyptic number.

748940879 is a deficient number, since it is larger than the sum of its proper divisors (39417961).

748940879 is a wasteful number, since it uses less digits than its factorization.

748940879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39417960.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 748940879 is about 27366.7842283305. The cubic root of 748940879 is about 908.1324170347.

The spelling of 748940879 in words is "seven hundred forty-eight million, nine hundred forty thousand, eight hundred seventy-nine".