427457415 has 64 divisors (see below), whose sum is σ = 889823232. Its totient is φ = 169910400.

The previous prime is 427457389. The next prime is 427457449. The reversal of 427457415 is 514754724.

It is not a de Polignac number, because 427457415 - 2⁷ = 427457287 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18520 + ... + 34610.

It is an arithmetic number, because the mean of its divisors is an integer number (13903488).

Almost surely, 2^427457415 is an apocalyptic number.

427457415 is an abundant number, since it is smaller than the sum of its proper divisors (462365817).

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

427457415 is a wasteful number, since it uses less digits than its factorization.

427457415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16140.

The product of its digits is 156800, while the sum is 39.

The square root of 427457415 is about 20675.0432889511. The cubic root of 427457415 is about 753.2936127585.

The spelling of 427457415 in words is "four hundred twenty-seven million, four hundred fifty-seven thousand, four hundred fifteen".