427117472 has 12 divisors (see below), whose sum is σ = 840887586. Its totient is φ = 213558720.

The previous prime is 427117441. The next prime is 427117477. The reversal of 427117472 is 274711724.

It can be written as a sum of positive squares in only one way, i.e., 343138576 + 83978896 = 18524^2 + 9164^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (427117477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6673679 + ... + 6673742.

Almost surely, 2^427117472 is an apocalyptic number.

It is an amenable number.

427117472 is a deficient number, since it is larger than the sum of its proper divisors (413770114).

427117472 is a wasteful number, since it uses less digits than its factorization.

427117472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347431 (or 13347423 counting only the distinct ones).

The product of its digits is 21952, while the sum is 35.

The square root of 427117472 is about 20666.8205585668. The cubic root of 427117472 is about 753.0938698174.

The spelling of 427117472 in words is "four hundred twenty-seven million, one hundred seventeen thousand, four hundred seventy-two".