73720299 has 8 divisors (see below), whose sum is σ = 100385280. Its totient is φ = 48101096.

The previous prime is 73720277. The next prime is 73720303. The reversal of 73720299 is 99202737.

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 73720299 - 2⁸ = 73720043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73720259) 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, 261279 + ... + 261560.

It is an arithmetic number, because the mean of its divisors is an integer number (12548160).

Almost surely, 2^73720299 is an apocalyptic number.

73720299 is a deficient number, since it is larger than the sum of its proper divisors (26664981).

73720299 is a wasteful number, since it uses less digits than its factorization.

73720299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522889.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 73720299 is about 8586.0525854434. The cubic root of 73720299 is about 419.3040230791.

The spelling of 73720299 in words is "seventy-three million, seven hundred twenty thousand, two hundred ninety-nine".