748533913 has 4 divisors (see below), whose sum is σ = 753016320. Its totient is φ = 744051508.

The previous prime is 748533889. The next prime is 748533931. The reversal of 748533913 is 319335847.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748533913 is a prime.

It is a super-2 number, since 2×748533913² = 1120606037822183138, 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 748533913.

It is not an unprimeable number, because it can be changed into a prime (748333913) 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, 2240953 + ... + 2241286.

It is an arithmetic number, because the mean of its divisors is an integer number (188254080).

Almost surely, 2^748533913 is an apocalyptic number.

It is an amenable number.

748533913 is a deficient number, since it is larger than the sum of its proper divisors (4482407).

748533913 is a wasteful number, since it uses less digits than its factorization.

748533913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482406.

The product of its digits is 272160, while the sum is 43.

The square root of 748533913 is about 27359.3478175193. The cubic root of 748533913 is about 907.9678976049.

The spelling of 748533913 in words is "seven hundred forty-eight million, five hundred thirty-three thousand, nine hundred thirteen".