73825865 has 8 divisors (see below), whose sum is σ = 89087040. Its totient is φ = 58730032.

The previous prime is 73825859. The next prime is 73825867. The reversal of 73825865 is 56852837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73825865 - 2¹⁰ = 73824841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73825867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40349 + ... + 42138.

It is an arithmetic number, because the mean of its divisors is an integer number (11135880).

Almost surely, 2^73825865 is an apocalyptic number.

It is an amenable number.

73825865 is a deficient number, since it is larger than the sum of its proper divisors (15261175).

73825865 is a wasteful number, since it uses less digits than its factorization.

73825865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82671.

The product of its digits is 403200, while the sum is 44.

The square root of 73825865 is about 8592.1979143872. The cubic root of 73825865 is about 419.5040726239.

The spelling of 73825865 in words is "seventy-three million, eight hundred twenty-five thousand, eight hundred sixty-five".