73463661 has 6 divisors (see below), whose sum is σ = 106114190. Its totient is φ = 48975768.

The previous prime is 73463627. The next prime is 73463669. The reversal of 73463661 is 16636437.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39765636 + 33698025 = 6306^2 + 5805^2 .

It is not a de Polignac number, because 73463661 - 2¹⁰ = 73462637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73463669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4081306 + ... + 4081323.

Almost surely, 2^73463661 is an apocalyptic number.

It is an amenable number.

73463661 is a deficient number, since it is larger than the sum of its proper divisors (32650529).

73463661 is a wasteful number, since it uses less digits than its factorization.

73463661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8162635 (or 8162632 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 73463661 is about 8571.0945042042. The cubic root of 73463661 is about 418.8168914898.

The spelling of 73463661 in words is "seventy-three million, four hundred sixty-three thousand, six hundred sixty-one".