749577319 has 2 divisors, whose sum is σ = 749577320. Its totient is φ = 749577318.

The previous prime is 749577253. The next prime is 749577331. The reversal of 749577319 is 913775947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749577319 - 2²³ = 741188711 is a prime.

It is a super-2 number, since 2×749577319² = 1123732314318455522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749577349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374788659 + 374788660.

It is an arithmetic number, because the mean of its divisors is an integer number (374788660).

Almost surely, 2^749577319 is an apocalyptic number.

749577319 is a deficient number, since it is larger than the sum of its proper divisors (1).

749577319 is an equidigital number, since it uses as much as digits as its factorization.

749577319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1666980, while the sum is 52.

The square root of 749577319 is about 27378.4097237221. The cubic root of 749577319 is about 908.3895838202.

The spelling of 749577319 in words is "seven hundred forty-nine million, five hundred seventy-seven thousand, three hundred nineteen".