67672745 has 16 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 46238784.

The previous prime is 67672723. The next prime is 67672757. The reversal of 67672745 is 54727676.

It is a cyclic number.

It is not a de Polignac number, because 67672745 - 2⁶ = 67672681 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 67672696 and 67672705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6956 + ... + 13554.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^67672745 is an apocalyptic number.

It is an amenable number.

67672745 is a deficient number, since it is larger than the sum of its proper divisors (25466455).

67672745 is a wasteful number, since it uses less digits than its factorization.

67672745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6904.

The product of its digits is 493920, while the sum is 44.

The square root of 67672745 is about 8226.3445709501. The cubic root of 67672745 is about 407.5096814792.

The spelling of 67672745 in words is "sixty-seven million, six hundred seventy-two thousand, seven hundred forty-five".