67672753 has 4 divisors (see below), whose sum is σ = 67963428. Its totient is φ = 67382080.

The previous prime is 67672723. The next prime is 67672757. The reversal of 67672753 is 35727676.

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 11242609 + 56430144 = 3353^2 + 7512^2 .

It is a cyclic number.

It is not a de Polignac number, because 67672753 - 2¹³ = 67664561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67672757) 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, 144988 + ... + 145453.

It is an arithmetic number, because the mean of its divisors is an integer number (16990857).

Almost surely, 2^67672753 is an apocalyptic number.

It is an amenable number.

67672753 is a deficient number, since it is larger than the sum of its proper divisors (290675).

67672753 is a wasteful number, since it uses less digits than its factorization.

67672753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290674.

The product of its digits is 370440, while the sum is 43.

The square root of 67672753 is about 8226.3450571928. The cubic root of 67672753 is about 407.5096975373.

The spelling of 67672753 in words is "sixty-seven million, six hundred seventy-two thousand, seven hundred fifty-three".