67539025 has 12 divisors (see below), whose sum is σ = 85697392. Its totient is φ = 52773840.

The previous prime is 67539019. The next prime is 67539037. The reversal of 67539025 is 52093576.

It is not a de Polignac number, because 67539025 - 2⁷ = 67538897 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 30339 + ... + 32488.

Almost surely, 2^67539025 is an apocalyptic number.

It is an amenable number.

67539025 is a deficient number, since it is larger than the sum of its proper divisors (18158367).

67539025 is a wasteful number, since it uses less digits than its factorization.

67539025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62880 (or 62875 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 67539025 is about 8218.2130052707. The cubic root of 67539025 is about 407.2410941482.

The spelling of 67539025 in words is "sixty-seven million, five hundred thirty-nine thousand, twenty-five".