67252487 has 4 divisors (see below), whose sum is σ = 67271880. Its totient is φ = 67233096.

The previous prime is 67252453. The next prime is 67252489. The reversal of 67252487 is 78425276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67252487 - 2²⁰ = 66203911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67252489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912 + ... + 11957.

It is an arithmetic number, because the mean of its divisors is an integer number (16817970).

Almost surely, 2^67252487 is an apocalyptic number.

67252487 is a deficient number, since it is larger than the sum of its proper divisors (19393).

67252487 is a wasteful number, since it uses less digits than its factorization.

67252487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19392.

The product of its digits is 188160, while the sum is 41.

The square root of 67252487 is about 8200.7613670927. The cubic root of 67252487 is about 406.6643635840.

The spelling of 67252487 in words is "sixty-seven million, two hundred fifty-two thousand, four hundred eighty-seven".