67371725 has 6 divisors (see below), whose sum is σ = 83540970. Its totient is φ = 53897360.

The previous prime is 67371721. The next prime is 67371743. The reversal of 67371725 is 52717376.

It can be written as a sum of positive squares in 3 ways, for example, as 7107556 + 60264169 = 2666^2 + 7763^2 .

It is not a de Polignac number, because 67371725 - 2² = 67371721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67371721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1347410 + ... + 1347459.

It is an arithmetic number, because the mean of its divisors is an integer number (13923495).

Almost surely, 2^67371725 is an apocalyptic number.

It is an amenable number.

67371725 is a deficient number, since it is larger than the sum of its proper divisors (16169245).

67371725 is a wasteful number, since it uses less digits than its factorization.

67371725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694879 (or 2694874 counting only the distinct ones).

The product of its digits is 61740, while the sum is 38.

The square root of 67371725 is about 8208.0280823106. The cubic root of 67371725 is about 406.9045589948.

The spelling of 67371725 in words is "sixty-seven million, three hundred seventy-one thousand, seven hundred twenty-five".