427528072 has 16 divisors (see below), whose sum is σ = 813580560. Its totient is φ = 210573264.

The previous prime is 427528069. The next prime is 427528093. The reversal of 427528072 is 270825724.

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, 398278 + ... + 399349.

It is an arithmetic number, because the mean of its divisors is an integer number (50848785).

Almost surely, 2^427528072 is an apocalyptic number.

It is an amenable number.

427528072 is a deficient number, since it is larger than the sum of its proper divisors (386052488).

427528072 is a wasteful number, since it uses less digits than its factorization.

427528072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797700 (or 797696 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 427528072 is about 20676.7519693012. The cubic root of 427528072 is about 753.3351159450.

The spelling of 427528072 in words is "four hundred twenty-seven million, five hundred twenty-eight thousand, seventy-two".