67391425 has 12 divisors (see below), whose sum is σ = 84744576. Its totient is φ = 53152400.

The previous prime is 67391399. The next prime is 67391459. The reversal of 67391425 is 52419376.

It is not a de Polignac number, because 67391425 - 2¹³ = 67383233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17209 + ... + 20758.

It is an arithmetic number, because the mean of its divisors is an integer number (7062048).

Almost surely, 2^67391425 is an apocalyptic number.

It is an amenable number.

67391425 is a deficient number, since it is larger than the sum of its proper divisors (17353151).

67391425 is a wasteful number, since it uses less digits than its factorization.

67391425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38048 (or 38043 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 67391425 is about 8209.2280392251. The cubic root of 67391425 is about 406.9442157827.

The spelling of 67391425 in words is "sixty-seven million, three hundred ninety-one thousand, four hundred twenty-five".