422760729 has 8 divisors (see below), whose sum is σ = 564043392. Its totient is φ = 281659280.

The previous prime is 422760727. The next prime is 422760731. The reversal of 422760729 is 927067224.

It is an interprime number because it is at equal distance from previous prime (422760727) and next prime (422760731).

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

It is a cyclic number.

It is not a de Polignac number, because 422760729 - 2¹ = 422760727 is a prime.

It is a super-2 number, since 2×422760729² = 357453267969222882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422760721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39762 + ... + 49259.

It is an arithmetic number, because the mean of its divisors is an integer number (70505424).

Almost surely, 2^422760729 is an apocalyptic number.

It is an amenable number.

422760729 is a deficient number, since it is larger than the sum of its proper divisors (141282663).

422760729 is a wasteful number, since it uses less digits than its factorization.

422760729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90607.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 422760729 is about 20561.1461013242. The cubic root of 422760729 is about 750.5245095453.

The spelling of 422760729 in words is "four hundred twenty-two million, seven hundred sixty thousand, seven hundred twenty-nine".