73724216 has 16 divisors (see below), whose sum is σ = 138344640. Its totient is φ = 36832320.

The previous prime is 73724197. The next prime is 73724227. The reversal of 73724216 is 61242737.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9596 + ... + 15476.

It is an arithmetic number, because the mean of its divisors is an integer number (8646540).

Almost surely, 2^73724216 is an apocalyptic number.

It is an amenable number.

73724216 is a deficient number, since it is larger than the sum of its proper divisors (64620424).

73724216 is a wasteful number, since it uses less digits than its factorization.

73724216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454 (or 7450 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 73724216 is about 8586.2806849066. The cubic root of 73724216 is about 419.3114492778.

The spelling of 73724216 in words is "seventy-three million, seven hundred twenty-four thousand, two hundred sixteen".