67905725 has 12 divisors (see below), whose sum is σ = 84307104. Its totient is φ = 54257520.

The previous prime is 67905713. The next prime is 67905727. The reversal of 67905725 is 52750976.

It is not a de Polignac number, because 67905725 - 2⁴ = 67905709 is a prime.

It is a super-2 number, since 2×67905725² = 9222374975551250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67905727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33182 + ... + 35168.

It is an arithmetic number, because the mean of its divisors is an integer number (7025592).

Almost surely, 2^67905725 is an apocalyptic number.

It is an amenable number.

67905725 is a deficient number, since it is larger than the sum of its proper divisors (16401379).

67905725 is a wasteful number, since it uses less digits than its factorization.

67905725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 67905725 is about 8240.4930070961. The cubic root of 67905725 is about 407.9767964665.

The spelling of 67905725 in words is "sixty-seven million, nine hundred five thousand, seven hundred twenty-five".