427729104 has 60 divisors (see below), whose sum is σ = 1305874752. Its totient is φ = 129614400.

The previous prime is 427729087. The next prime is 427729111. The reversal of 427729104 is 401927724.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133432 + ... + 136599.

Almost surely, 2^427729104 is an apocalyptic number.

427729104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

427729104 is an abundant number, since it is smaller than the sum of its proper divisors (878145648).

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

427729104 is a wasteful number, since it uses less digits than its factorization.

427729104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270056 (or 270047 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 427729104 is about 20681.6127030752. The cubic root of 427729104 is about 753.4531750416.

The spelling of 427729104 in words is "four hundred twenty-seven million, seven hundred twenty-nine thousand, one hundred four".