73664363 has 4 divisors (see below), whose sum is σ = 73713648. Its totient is φ = 73615080.

The previous prime is 73664359. The next prime is 73664389. The reversal of 73664363 is 36346637.

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

It is a cyclic number.

It is not a de Polignac number, because 73664363 - 2² = 73664359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73664323) 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, 22328 + ... + 25413.

It is an arithmetic number, because the mean of its divisors is an integer number (18428412).

Almost surely, 2^73664363 is an apocalyptic number.

73664363 is a deficient number, since it is larger than the sum of its proper divisors (49285).

73664363 is a wasteful number, since it uses less digits than its factorization.

73664363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49284.

The product of its digits is 163296, while the sum is 38.

The square root of 73664363 is about 8582.7945915069. The cubic root of 73664363 is about 419.1979458987.

The spelling of 73664363 in words is "seventy-three million, six hundred sixty-four thousand, three hundred sixty-three".