1407427 has 6 divisors (see below), whose sum is σ = 1637268. Its totient is φ = 1206324.

The previous prime is 1407409. The next prime is 1407449. The reversal of 1407427 is 7247041.

It is a de Polignac number, because none of the positive numbers 2^k-1407427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1407467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14313 + ... + 14410.

It is an arithmetic number, because the mean of its divisors is an integer number (272878).

2^1407427 is an apocalyptic number.

1407427 is a deficient number, since it is larger than the sum of its proper divisors (229841).

1407427 is an equidigital number, since it uses as much as digits as its factorization.

1407427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28737 (or 28730 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1407427 is about 1186.3502855396. The cubic root of 1407427 is about 112.0663669157.

The spelling of 1407427 in words is "one million, four hundred seven thousand, four hundred twenty-seven".