427636072 has 16 divisors (see below), whose sum is σ = 827683200. Its totient is φ = 206920560.

The previous prime is 427636067. The next prime is 427636073. The reversal of 427636072 is 270636724.

It is a happy number.

It is a super-2 number, since 2×427636072² = 365745220151178368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427636073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861922 + ... + 862417.

It is an arithmetic number, because the mean of its divisors is an integer number (51730200).

Almost surely, 2^427636072 is an apocalyptic number.

It is an amenable number.

427636072 is a deficient number, since it is larger than the sum of its proper divisors (400047128).

427636072 is a wasteful number, since it uses less digits than its factorization.

427636072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724376 (or 1724372 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 427636072 is about 20679.3634331427. The cubic root of 427636072 is about 753.3985451854.

The spelling of 427636072 in words is "four hundred twenty-seven million, six hundred thirty-six thousand, seventy-two".