748903291 has 4 divisors (see below), whose sum is σ = 749052592. Its totient is φ = 748753992.

The previous prime is 748903249. The next prime is 748903313. The reversal of 748903291 is 192309847.

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 748903291 - 2¹³ = 748895099 is a prime.

It is a super-2 number, since 2×748903291² = 1121712278541261362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748903201) 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, 66855 + ... + 77248.

It is an arithmetic number, because the mean of its divisors is an integer number (187263148).

Almost surely, 2^748903291 is an apocalyptic number.

748903291 is a deficient number, since it is larger than the sum of its proper divisors (149301).

748903291 is a wasteful number, since it uses less digits than its factorization.

748903291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149300.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 748903291 is about 27366.0974747953. The cubic root of 748903291 is about 908.1172242679.

The spelling of 748903291 in words is "seven hundred forty-eight million, nine hundred three thousand, two hundred ninety-one".