73607663 has 4 divisors (see below), whose sum is σ = 74814408. Its totient is φ = 72400920.

The previous prime is 73607647. The next prime is 73607693. The reversal of 73607663 is 36670637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36670637 = 173 ⋅211969.

It is a cyclic number.

It is not a de Polignac number, because 73607663 - 2⁴ = 73607647 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 (73607623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603281 + ... + 603402.

It is an arithmetic number, because the mean of its divisors is an integer number (18703602).

Almost surely, 2^73607663 is an apocalyptic number.

73607663 is a deficient number, since it is larger than the sum of its proper divisors (1206745).

73607663 is a wasteful number, since it uses less digits than its factorization.

73607663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206744.

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 73607663 is about 8579.4908357081. The cubic root of 73607663 is about 419.0903650484.

The spelling of 73607663 in words is "seventy-three million, six hundred seven thousand, six hundred sixty-three".