73857216 has 28 divisors (see below), whose sum is σ = 195414392. Its totient is φ = 24619008.

The previous prime is 73857211. The next prime is 73857227. The reversal of 73857216 is 61275837.

It is a super-3 number, since 3×73857216³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (73857211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192145 + ... + 192528.

Almost surely, 2^73857216 is an apocalyptic number.

It is an amenable number.

73857216 is an abundant number, since it is smaller than the sum of its proper divisors (121557176).

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

73857216 is a wasteful number, since it uses less digits than its factorization.

73857216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384688 (or 384678 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 73857216 is about 8594.0221084193. The cubic root of 73857216 is about 419.5634466248.

The spelling of 73857216 in words is "seventy-three million, eight hundred fifty-seven thousand, two hundred sixteen".