427401437 has 8 divisors (see below), whose sum is σ = 453227256. Its totient is φ = 401651712.

The previous prime is 427401431. The next prime is 427401521. The reversal of 427401437 is 734104724.

It can be written as a sum of positive squares in 4 ways, for example, as 39075001 + 388326436 = 6251^2 + 19706^2 .

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 427401437 - 2²⁸ = 158965981 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 (427401431) 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, 7238 + ... + 30119.

It is an arithmetic number, because the mean of its divisors is an integer number (56653407).

Almost surely, 2^427401437 is an apocalyptic number.

It is an amenable number.

427401437 is a deficient number, since it is larger than the sum of its proper divisors (25825819).

427401437 is a wasteful number, since it uses less digits than its factorization.

427401437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38047.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 427401437 is about 20673.6894868816. The cubic root of 427401437 is about 753.2607286168.

The spelling of 427401437 in words is "four hundred twenty-seven million, four hundred one thousand, four hundred thirty-seven".