427002631 has 8 divisors (see below), whose sum is σ = 466001424. Its totient is φ = 388033920.

The previous prime is 427002619. The next prime is 427002677. The reversal of 427002631 is 136200724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427002631 - 2¹⁵ = 426969863 is a prime.

It is a super-2 number, since 2×427002631² = 364662493761844322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427002596 and 427002605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427002601) 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, 30585 + ... + 42301.

It is an arithmetic number, because the mean of its divisors is an integer number (58250178).

Almost surely, 2^427002631 is an apocalyptic number.

427002631 is a deficient number, since it is larger than the sum of its proper divisors (38998793).

427002631 is a wasteful number, since it uses less digits than its factorization.

427002631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15041.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 427002631 is about 20664.0419811807. The cubic root of 427002631 is about 753.0263678527.

The spelling of 427002631 in words is "four hundred twenty-seven million, two thousand, six hundred thirty-one".