749335247 has 2 divisors, whose sum is σ = 749335248. Its totient is φ = 749335246.

The previous prime is 749335219. The next prime is 749335267. The reversal of 749335247 is 742533947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749335247 - 2²² = 745140943 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 749335198 and 749335207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749335217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374667623 + 374667624.

It is an arithmetic number, because the mean of its divisors is an integer number (374667624).

Almost surely, 2^749335247 is an apocalyptic number.

749335247 is a deficient number, since it is larger than the sum of its proper divisors (1).

749335247 is an equidigital number, since it uses as much as digits as its factorization.

749335247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 44.

The square root of 749335247 is about 27373.9885109934. The cubic root of 749335247 is about 908.2917867670.

The spelling of 749335247 in words is "seven hundred forty-nine million, three hundred thirty-five thousand, two hundred forty-seven".