492745 has 24 divisors (see below), whose sum is σ = 707328. Its totient is φ = 326400.

The previous prime is 492731. The next prime is 492757. The reversal of 492745 is 547294.

It is not a de Polignac number, because 492745 - 2⁷ = 492617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15880 + ... + 15910.

It is an arithmetic number, because the mean of its divisors is an integer number (29472).

2⁴⁹²⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

492745 is a deficient number, since it is larger than the sum of its proper divisors (214583).

492745 is a wasteful number, since it uses less digits than its factorization.

492745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 64 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 492745 is about 701.9579759501. The cubic root of 492745 is about 78.9842942660.

The spelling of 492745 in words is "four hundred ninety-two thousand, seven hundred forty-five".