742869 has 12 divisors (see below), whose sum is σ = 1092000. Its totient is φ = 486504.

The previous prime is 742817. The next prime is 742891. The reversal of 742869 is 968247.

It is not a de Polignac number, because 742869 - 2¹⁶ = 677333 is a prime.

It is a super-2 number, since 2×742869² = 1103708702322, which contains 22 as substring.

It is a Curzon number.

742869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169 + ... + 1230.

It is an arithmetic number, because the mean of its divisors is an integer number (91000).

2⁷⁴²⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

742869 is a deficient number, since it is larger than the sum of its proper divisors (349131).

742869 is a wasteful number, since it uses less digits than its factorization.

742869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464 (or 1461 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 742869 is about 861.8984859019. The cubic root of 742869 is about 90.5671591277.

The spelling of 742869 in words is "seven hundred forty-two thousand, eight hundred sixty-nine".