427622766 has 32 divisors (see below), whose sum is σ = 864898560. Its totient is φ = 140941824.

The previous prime is 427622753. The next prime is 427622771. The reversal of 427622766 is 667226724.

It is a super-2 number, since 2×427622766² = 365722460002981512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206251 + ... + 208313.

It is an arithmetic number, because the mean of its divisors is an integer number (27028080).

Almost surely, 2^427622766 is an apocalyptic number.

427622766 is an abundant number, since it is smaller than the sum of its proper divisors (437275794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427622766 is a wasteful number, since it uses less digits than its factorization.

427622766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its digits is 338688, while the sum is 42.

The square root of 427622766 is about 20679.0417089381. The cubic root of 427622766 is about 753.3907310449.

The spelling of 427622766 in words is "four hundred twenty-seven million, six hundred twenty-two thousand, seven hundred sixty-six".