73221676 has 24 divisors (see below), whose sum is σ = 142765056. Its totient is φ = 32573520.

The previous prime is 73221641. The next prime is 73221677. The reversal of 73221676 is 67612237.

It is a happy number.

It is a super-2 number, since 2×73221676² = 10722827672497952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (73221677) 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, 15636 + ... + 19771.

It is an arithmetic number, because the mean of its divisors is an integer number (5948544).

Almost surely, 2^73221676 is an apocalyptic number.

It is an amenable number.

73221676 is a deficient number, since it is larger than the sum of its proper divisors (69543380).

73221676 is a wasteful number, since it uses less digits than its factorization.

73221676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35469 (or 35467 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 73221676 is about 8556.9665185742. The cubic root of 73221676 is about 418.3565328778.

It can be divided in two parts, 7322 and 1676, that added together give a palindrome (8998).

The spelling of 73221676 in words is "seventy-three million, two hundred twenty-one thousand, six hundred seventy-six".