427172352 has 80 divisors (see below), whose sum is σ = 1154336832. Its totient is φ = 140349440.

The previous prime is 427172341. The next prime is 427172359. The reversal of 427172352 is 253271724.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (427172359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107098 + ... + 111014.

Almost surely, 2^427172352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427172352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577168416).

427172352 is an abundant number, since it is smaller than the sum of its proper divisors (727164480).

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

427172352 is an equidigital number, since it uses as much as digits as its factorization.

427172352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009 (or 3993 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 427172352 is about 20668.1482479684. The cubic root of 427172352 is about 753.1261232561.

The spelling of 427172352 in words is "four hundred twenty-seven million, one hundred seventy-two thousand, three hundred fifty-two".