73255630 has 32 divisors (see below), whose sum is σ = 152095680. Its totient is φ = 24883200.

The previous prime is 73255627. The next prime is 73255649. The reversal of 73255630 is 3655237.

It is a junction number, because it is equal to n+sod(n) for n = 73255592 and 73255601.

It is a congruent number.

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, 2830 + ... + 12430.

It is an arithmetic number, because the mean of its divisors is an integer number (4752990).

Almost surely, 2^73255630 is an apocalyptic number.

73255630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73255630 is an abundant number, since it is smaller than the sum of its proper divisors (78840050).

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

73255630 is a wasteful number, since it uses less digits than its factorization.

73255630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9724.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 73255630 is about 8558.9502861040. The cubic root of 73255630 is about 418.4211889714.

The spelling of 73255630 in words is "seventy-three million, two hundred fifty-five thousand, six hundred thirty".