73204649 has 8 divisors (see below), whose sum is σ = 84217728. Its totient is φ = 62330400.

The previous prime is 73204633. The next prime is 73204657. The reversal of 73204649 is 94640237.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73204649 - 2⁴ = 73204633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73204249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33572 + ... + 35685.

It is an arithmetic number, because the mean of its divisors is an integer number (10527216).

Almost surely, 2^73204649 is an apocalyptic number.

It is an amenable number.

73204649 is a deficient number, since it is larger than the sum of its proper divisors (11013079).

73204649 is a wasteful number, since it uses less digits than its factorization.

73204649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69415.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 73204649 is about 8555.9715403921. The cubic root of 73204649 is about 418.3241020945.

The spelling of 73204649 in words is "seventy-three million, two hundred four thousand, six hundred forty-nine".