73625220 has 48 divisors (see below), whose sum is σ = 229057920. Its totient is φ = 19633248.

The previous prime is 73625219. The next prime is 73625243. The reversal of 73625220 is 2252637.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67632 + ... + 68711.

It is an arithmetic number, because the mean of its divisors is an integer number (4772040).

Almost surely, 2^73625220 is an apocalyptic number.

It is an amenable number.

73625220 is an abundant number, since it is smaller than the sum of its proper divisors (155432700).

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

73625220 is a wasteful number, since it uses less digits than its factorization.

73625220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136361 (or 136353 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 73625220 is about 8580.5139706197. The cubic root of 73625220 is about 419.1236830677.

Adding to 73625220 its reverse (2252637), we get a palindrome (75877857).

The spelling of 73625220 in words is "seventy-three million, six hundred twenty-five thousand, two hundred twenty".