749042923 has 2 divisors, whose sum is σ = 749042924. Its totient is φ = 749042922.

The previous prime is 749042893. The next prime is 749042927. The reversal of 749042923 is 329240947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749042923 - 2⁵ = 749042891 is a prime.

It is a super-2 number, since 2×749042923² = 1122130600992767858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (749042927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374521461 + 374521462.

It is an arithmetic number, because the mean of its divisors is an integer number (374521462).

Almost surely, 2^749042923 is an apocalyptic number.

749042923 is a deficient number, since it is larger than the sum of its proper divisors (1).

749042923 is an equidigital number, since it uses as much as digits as its factorization.

749042923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 749042923 is about 27368.6485417165. The cubic root of 749042923 is about 908.1736598344.

The spelling of 749042923 in words is "seven hundred forty-nine million, forty-two thousand, nine hundred twenty-three".