874742 has 8 divisors (see below), whose sum is σ = 1431432. Its totient is φ = 397600.

The previous prime is 874739. The next prime is 874763. The reversal of 874742 is 247478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 874699 and 874708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19859 + ... + 19902.

It is an arithmetic number, because the mean of its divisors is an integer number (178929).

2⁸⁷⁴⁷⁴² is an apocalyptic number.

874742 is a deficient number, since it is larger than the sum of its proper divisors (556690).

874742 is a wasteful number, since it uses less digits than its factorization.

874742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39774.

The product of its digits is 12544, while the sum is 32.

The square root of 874742 is about 935.2764297255. The cubic root of 874742 is about 95.6371575241.

Subtracting from 874742 its reverse (247478), we obtain a square (627264 = 792²).

The spelling of 874742 in words is "eight hundred seventy-four thousand, seven hundred forty-two".