742895727 has 32 divisors (see below), whose sum is σ = 1164326400. Its totient is φ = 412566528.

The previous prime is 742895723. The next prime is 742895729. The reversal of 742895727 is 727598247.

It is not a de Polignac number, because 742895727 - 2² = 742895723 is a prime.

It is a super-2 number, since 2×742895727² = 1103788122389717058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 742895727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742895723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106903 + ... + 113639.

It is an arithmetic number, because the mean of its divisors is an integer number (36385200).

Almost surely, 2^742895727 is an apocalyptic number.

742895727 is a deficient number, since it is larger than the sum of its proper divisors (421430673).

742895727 is a wasteful number, since it uses less digits than its factorization.

742895727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895.

The product of its digits is 1975680, while the sum is 51.

The square root of 742895727 is about 27256.1135710871. The cubic root of 742895727 is about 905.6824525885.

The spelling of 742895727 in words is "seven hundred forty-two million, eight hundred ninety-five thousand, seven hundred twenty-seven".