73628620 has 48 divisors (see below), whose sum is σ = 170599968. Its totient is φ = 26519040.

The previous prime is 73628609. The next prime is 73628663. The reversal of 73628620 is 2682637.

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, 7207 + ... + 14113.

It is an arithmetic number, because the mean of its divisors is an integer number (3554166).

Almost surely, 2^73628620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73628620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85299984).

73628620 is an abundant number, since it is smaller than the sum of its proper divisors (96971348).

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

73628620 is a wasteful number, since it uses less digits than its factorization.

73628620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970 (or 6968 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 73628620 is about 8580.7120916623. The cubic root of 73628620 is about 419.1301346549.

The spelling of 73628620 in words is "seventy-three million, six hundred twenty-eight thousand, six hundred twenty".