67625945 has 4 divisors (see below), whose sum is σ = 81151140. Its totient is φ = 54100752.

The previous prime is 67625923. The next prime is 67625951. The reversal of 67625945 is 54952676.

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 26512201 + 41113744 = 5149^2 + 6412^2 .

It is a cyclic number.

It is not a de Polignac number, because 67625945 - 2⁸ = 67625689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67625896 and 67625905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6762590 + ... + 6762599.

It is an arithmetic number, because the mean of its divisors is an integer number (20287785).

Almost surely, 2^67625945 is an apocalyptic number.

It is an amenable number.

67625945 is a deficient number, since it is larger than the sum of its proper divisors (13525195).

67625945 is a wasteful number, since it uses less digits than its factorization.

67625945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13525194.

The product of its digits is 453600, while the sum is 44.

The square root of 67625945 is about 8223.4995591901. The cubic root of 67625945 is about 407.4157202094.

The spelling of 67625945 in words is "sixty-seven million, six hundred twenty-five thousand, nine hundred forty-five".