73581025 has 48 divisors (see below), whose sum is σ = 110492928. Its totient is φ = 47520000.

The previous prime is 73581023. The next prime is 73581029. The reversal of 73581025 is 52018537.

It is not a de Polignac number, because 73581025 - 2¹ = 73581023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73581023) 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 47 ways as a sum of consecutive naturals, for example, 406435 + ... + 406615.

It is an arithmetic number, because the mean of its divisors is an integer number (2301936).

Almost surely, 2^73581025 is an apocalyptic number.

It is an amenable number.

73581025 is a deficient number, since it is larger than the sum of its proper divisors (36911903).

73581025 is a wasteful number, since it uses less digits than its factorization.

73581025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 73581025 is about 8577.9382721025. The cubic root of 73581025 is about 419.0398038448.

The spelling of 73581025 in words is "seventy-three million, five hundred eighty-one thousand, twenty-five".