1427420707 has 8 divisors (see below), whose sum is σ = 1448865792. Its totient is φ = 1406013000.

The previous prime is 1427420653. The next prime is 1427420713. The reversal of 1427420707 is 7070247241.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1427420707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427420717) 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, 72988 + ... + 90454.

It is an arithmetic number, because the mean of its divisors is an integer number (181108224).

Almost surely, 2^1427420707 is an apocalyptic number.

1427420707 is a deficient number, since it is larger than the sum of its proper divisors (21445085).

1427420707 is a wasteful number, since it uses less digits than its factorization.

1427420707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18689.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 1427420707 is about 37781.2216186825. The cubic root of 1427420707 is about 1125.9453997420.

Adding to 1427420707 its reverse (7070247241), we get a palindrome (8497667948).

The spelling of 1427420707 in words is "one billion, four hundred twenty-seven million, four hundred twenty thousand, seven hundred seven".