73220353 has 8 divisors (see below), whose sum is σ = 74480000. Its totient is φ = 71971200.

The previous prime is 73220351. The next prime is 73220393. The reversal of 73220353 is 35302237.

It is a happy number.

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 73220353 - 2¹ = 73220351 is a prime.

It is a super-2 number, since 2×73220353² = 10722440186889218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73220351) 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, 12148 + ... + 17146.

It is an arithmetic number, because the mean of its divisors is an integer number (9310000).

Almost surely, 2^73220353 is an apocalyptic number.

It is an amenable number.

73220353 is a deficient number, since it is larger than the sum of its proper divisors (1259647).

73220353 is a wasteful number, since it uses less digits than its factorization.

73220353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 73220353 is about 8556.8892127922. The cubic root of 73220353 is about 418.3540131821.

The spelling of 73220353 in words is "seventy-three million, two hundred twenty thousand, three hundred fifty-three".