741985731 has 16 divisors (see below), whose sum is σ = 1101878400. Its totient is φ = 493469064.

The previous prime is 741985729. The next prime is 741985771. The reversal of 741985731 is 137589147.

741985731 is a `hidden beast` number, since 74 + 1 + 9 + 8 + 573 + 1 = 666.

It is not a de Polignac number, because 741985731 - 2¹ = 741985729 is a prime.

It is a super-2 number, since 2×741985731² = 1101085650015208722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (741985771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21481 + ... + 44106.

It is an arithmetic number, because the mean of its divisors is an integer number (68867400).

Almost surely, 2^741985731 is an apocalyptic number.

741985731 is a deficient number, since it is larger than the sum of its proper divisors (359892669).

741985731 is a wasteful number, since it uses less digits than its factorization.

741985731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66015 (or 66009 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 741985731 is about 27239.4150267586. The cubic root of 741985731 is about 905.3125019909.

The spelling of 741985731 in words is "seven hundred forty-one million, nine hundred eighty-five thousand, seven hundred thirty-one".