749885131 has 2 divisors, whose sum is σ = 749885132. Its totient is φ = 749885130.

The previous prime is 749885111. The next prime is 749885153. The reversal of 749885131 is 131588947.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749885131 - 2⁵ = 749885099 is a prime.

It is a super-2 number, since 2×749885131² = 1124655419389774322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (749885111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374942565 + 374942566.

It is an arithmetic number, because the mean of its divisors is an integer number (374942566).

Almost surely, 2^749885131 is an apocalyptic number.

749885131 is a deficient number, since it is larger than the sum of its proper divisors (1).

749885131 is an equidigital number, since it uses as much as digits as its factorization.

749885131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 46.

The square root of 749885131 is about 27384.0305835354. The cubic root of 749885131 is about 908.5139094199.

It can be divided in two parts, 7498 and 85131, that added together give a palindrome (92629).

The spelling of 749885131 in words is "seven hundred forty-nine million, eight hundred eighty-five thousand, one hundred thirty-one".