749140507 has 2 divisors, whose sum is σ = 749140508. Its totient is φ = 749140506.

The previous prime is 749140471. The next prime is 749140529. The reversal of 749140507 is 705041947.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749140507 is a prime.

It is a super-2 number, since 2×749140507² = 1122422998456434098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (749140577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374570253 + 374570254.

It is an arithmetic number, because the mean of its divisors is an integer number (374570254).

Almost surely, 2^749140507 is an apocalyptic number.

749140507 is a deficient number, since it is larger than the sum of its proper divisors (1).

749140507 is an equidigital number, since it uses as much as digits as its factorization.

749140507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 749140507 is about 27370.4312534531. The cubic root of 749140507 is about 908.2130965464.

The spelling of 749140507 in words is "seven hundred forty-nine million, one hundred forty thousand, five hundred seven".