67625489 has 4 divisors (see below), whose sum is σ = 67773924. Its totient is φ = 67477056.

The previous prime is 67625483. The next prime is 67625533. The reversal of 67625489 is 98452676.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38031889 + 29593600 = 6167^2 + 5440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67625489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67625483) 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, 73532 + ... + 74445.

It is an arithmetic number, because the mean of its divisors is an integer number (16943481).

Almost surely, 2^67625489 is an apocalyptic number.

It is an amenable number.

67625489 is a deficient number, since it is larger than the sum of its proper divisors (148435).

67625489 is a wasteful number, since it uses less digits than its factorization.

67625489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148434.

The product of its digits is 725760, while the sum is 47.

The square root of 67625489 is about 8223.4718337208. The cubic root of 67625489 is about 407.4148044761.

The spelling of 67625489 in words is "sixty-seven million, six hundred twenty-five thousand, four hundred eighty-nine".