73461985 has 4 divisors (see below), whose sum is σ = 88154388. Its totient is φ = 58769584.

The previous prime is 73461943. The next prime is 73461991. The reversal of 73461985 is 58916437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36288576 + 37173409 = 6024^2 + 6097^2 .

It is a cyclic number.

It is not a de Polignac number, because 73461985 - 2⁹ = 73461473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7346194 + ... + 7346203.

It is an arithmetic number, because the mean of its divisors is an integer number (22038597).

Almost surely, 2^73461985 is an apocalyptic number.

It is an amenable number.

73461985 is a deficient number, since it is larger than the sum of its proper divisors (14692403).

73461985 is a wasteful number, since it uses less digits than its factorization.

73461985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14692402.

The product of its digits is 181440, while the sum is 43.

The square root of 73461985 is about 8570.9967331694. The cubic root of 73461985 is about 418.8137065027.

The spelling of 73461985 in words is "seventy-three million, four hundred sixty-one thousand, nine hundred eighty-five".