73664373 has 16 divisors (see below), whose sum is σ = 102266816. Its totient is φ = 47122560.

The previous prime is 73664359. The next prime is 73664389. The reversal of 73664373 is 37346637.

It is not a de Polignac number, because 73664373 - 2⁹ = 73663861 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3558 + ... + 12648.

It is an arithmetic number, because the mean of its divisors is an integer number (6391676).

Almost surely, 2^73664373 is an apocalyptic number.

73664373 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

73664373 is a deficient number, since it is larger than the sum of its proper divisors (28602443).

73664373 is a wasteful number, since it uses less digits than its factorization.

73664373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9204.

The product of its digits is 190512, while the sum is 39.

The square root of 73664373 is about 8582.7951740677. The cubic root of 73664373 is about 419.1979648675.

The spelling of 73664373 in words is "seventy-three million, six hundred sixty-four thousand, three hundred seventy-three".