1427345457 has 8 divisors (see below), whose sum is σ = 1908150240. Its totient is φ = 949052160.

The previous prime is 1427345443. The next prime is 1427345467. The reversal of 1427345457 is 7545437241.

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

It is not a de Polignac number, because 1427345457 - 2⁴ = 1427345441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1427345467) 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, 626544 + ... + 628817.

It is an arithmetic number, because the mean of its divisors is an integer number (238518780).

Almost surely, 2^1427345457 is an apocalyptic number.

It is an amenable number.

1427345457 is a deficient number, since it is larger than the sum of its proper divisors (480804783).

1427345457 is a wasteful number, since it uses less digits than its factorization.

1427345457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255743.

The product of its digits is 470400, while the sum is 42.

The square root of 1427345457 is about 37780.2257404585. The cubic root of 1427345457 is about 1125.9256137322.

The spelling of 1427345457 in words is "one billion, four hundred twenty-seven million, three hundred forty-five thousand, four hundred fifty-seven".