427037520 has 160 divisors (see below), whose sum is σ = 1629395712. Its totient is φ = 90095616.

The previous prime is 427037497. The next prime is 427037539. The reversal of 427037520 is 25730724.

It is a super-2 number, since 2×427037520² = 364722086975500800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12064 + ... + 31616.

Almost surely, 2^427037520 is an apocalyptic number.

427037520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427037520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814697856).

427037520 is an abundant number, since it is smaller than the sum of its proper divisors (1202358192).

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

427037520 is a wasteful number, since it uses less digits than its factorization.

427037520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19589 (or 19583 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 427037520 is about 20664.8861598606. The cubic root of 427037520 is about 753.0468764082.

The spelling of 427037520 in words is "four hundred twenty-seven million, thirty-seven thousand, five hundred twenty".