73227620 has 12 divisors (see below), whose sum is σ = 153778044. Its totient is φ = 29291040.

The previous prime is 73227589. The next prime is 73227629. The reversal of 73227620 is 2672237.

It can be written as a sum of positive squares in 2 ways, for example, as 38464804 + 34762816 = 6202^2 + 5896^2 .

It is not an unprimeable number, because it can be changed into a prime (73227629) 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, 1830671 + ... + 1830710.

It is an arithmetic number, because the mean of its divisors is an integer number (12814837).

Almost surely, 2^73227620 is an apocalyptic number.

It is an amenable number.

73227620 is an abundant number, since it is smaller than the sum of its proper divisors (80550424).

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

73227620 is a wasteful number, since it uses less digits than its factorization.

73227620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661390 (or 3661388 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 73227620 is about 8557.3138308701. The cubic root of 73227620 is about 418.3678530409.

Adding to 73227620 its reverse (2672237), we get a palindrome (75899857).

The spelling of 73227620 in words is "seventy-three million, two hundred twenty-seven thousand, six hundred twenty".