73581952 has 16 divisors (see below), whose sum is σ = 146589300. Its totient is φ = 36790912.

The previous prime is 73581947. The next prime is 73581953. The reversal of 73581952 is 25918537.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73581953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287302 + ... + 287557.

Almost surely, 2^73581952 is an apocalyptic number.

It is an amenable number.

73581952 is a deficient number, since it is larger than the sum of its proper divisors (73007348).

73581952 is an equidigital number, since it uses as much as digits as its factorization.

73581952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574873 (or 574861 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 73581952 is about 8577.9923058954. The cubic root of 73581952 is about 419.0415635751.

The spelling of 73581952 in words is "seventy-three million, five hundred eighty-one thousand, nine hundred fifty-two".