427694764 has 12 divisors (see below), whose sum is σ = 855389584. Its totient is φ = 183297744.

The previous prime is 427694759. The next prime is 427694777. The reversal of 427694764 is 467496724.

427694764 is an admirable number.

It is a super-2 number, since 2×427694764² = 365845622306031392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7637379 + ... + 7637434.

Almost surely, 2^427694764 is an apocalyptic number.

It is an amenable number.

427694764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

427694764 is a wasteful number, since it uses less digits than its factorization.

427694764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274824 (or 15274822 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 49.

The square root of 427694764 is about 20680.7824803608. The cubic root of 427694764 is about 753.4330109750.

The spelling of 427694764 in words is "four hundred twenty-seven million, six hundred ninety-four thousand, seven hundred sixty-four".