427287037 has 4 divisors (see below), whose sum is σ = 431692156. Its totient is φ = 422881920.

The previous prime is 427286999. The next prime is 427287053. The reversal of 427287037 is 730782724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231678841 + 195608196 = 15221^2 + 13986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427287037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427287097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202414 + ... + 2202607.

It is an arithmetic number, because the mean of its divisors is an integer number (107923039).

Almost surely, 2^427287037 is an apocalyptic number.

It is an amenable number.

427287037 is a deficient number, since it is larger than the sum of its proper divisors (4405119).

427287037 is an equidigital number, since it uses as much as digits as its factorization.

427287037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405118.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 427287037 is about 20670.9224999757. The cubic root of 427287037 is about 753.1935156802.

The spelling of 427287037 in words is "four hundred twenty-seven million, two hundred eighty-seven thousand, thirty-seven".