427274636 has 6 divisors (see below), whose sum is σ = 747730620. Its totient is φ = 213637316.

The previous prime is 427274629. The next prime is 427274669. The reversal of 427274636 is 636472724.

It is a happy number.

It is a super-2 number, since 2×427274636² = 365127229137864992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 427274593 and 427274602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53409326 + ... + 53409333.

It is an arithmetic number, because the mean of its divisors is an integer number (124621770).

Almost surely, 2^427274636 is an apocalyptic number.

It is an amenable number.

427274636 is a deficient number, since it is larger than the sum of its proper divisors (320455984).

427274636 is a wasteful number, since it uses less digits than its factorization.

427274636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106818663 (or 106818661 counting only the distinct ones).

The product of its digits is 338688, while the sum is 41.

The square root of 427274636 is about 20670.6225353761. The cubic root of 427274636 is about 753.1862290537.

The spelling of 427274636 in words is "four hundred twenty-seven million, two hundred seventy-four thousand, six hundred thirty-six".