492722751 has 8 divisors (see below), whose sum is σ = 657190144. Its totient is φ = 328368600.

The previous prime is 492722749. The next prime is 492722819. The reversal of 492722751 is 157227294.

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

It is not a de Polignac number, because 492722751 - 2¹ = 492722749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492722551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17575 + ... + 35976.

It is an arithmetic number, because the mean of its divisors is an integer number (82148768).

Almost surely, 2^492722751 is an apocalyptic number.

492722751 is a deficient number, since it is larger than the sum of its proper divisors (164467393).

492722751 is a wasteful number, since it uses less digits than its factorization.

492722751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56621.

The product of its digits is 70560, while the sum is 39.

The square root of 492722751 is about 22197.3590996767. The cubic root of 492722751 is about 789.8310545099.

The spelling of 492722751 in words is "four hundred ninety-two million, seven hundred twenty-two thousand, seven hundred fifty-one".