67925687 has 2 divisors, whose sum is σ = 67925688. Its totient is φ = 67925686.

The previous prime is 67925677. The next prime is 67925699. The reversal of 67925687 is 78652976.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67925687 is a prime.

It is a super-2 number, since 2×67925687² = 9227797908843938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67925677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33962843 + 33962844.

It is an arithmetic number, because the mean of its divisors is an integer number (33962844).

Almost surely, 2^67925687 is an apocalyptic number.

67925687 is a deficient number, since it is larger than the sum of its proper divisors (1).

67925687 is an equidigital number, since it uses as much as digits as its factorization.

67925687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 67925687 is about 8241.7041320348. The cubic root of 67925687 is about 408.0167697035.

The spelling of 67925687 in words is "sixty-seven million, nine hundred twenty-five thousand, six hundred eighty-seven".