73049720 has 32 divisors (see below), whose sum is σ = 166449600. Its totient is φ = 28848768.

The previous prime is 73049719. The next prime is 73049749. The reversal of 73049720 is 2794037.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8399 + ... + 14718.

It is an arithmetic number, because the mean of its divisors is an integer number (5201550).

Almost surely, 2^73049720 is an apocalyptic number.

It is an amenable number.

73049720 is an abundant number, since it is smaller than the sum of its proper divisors (93399880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73049720 is a wasteful number, since it uses less digits than its factorization.

73049720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23207 (or 23203 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 73049720 is about 8546.9128929690. The cubic root of 73049720 is about 418.0287824629.

The spelling of 73049720 in words is "seventy-three million, forty-nine thousand, seven hundred twenty".