73772230 has 32 divisors (see below), whose sum is σ = 156997440. Its totient is φ = 24420480.

The previous prime is 73772213. The next prime is 73772233. The reversal of 73772230 is 3227737.

It is a junction number, because it is equal to n+sod(n) for n = 73772192 and 73772201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73772233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16141 + ... + 20200.

It is an arithmetic number, because the mean of its divisors is an integer number (4906170).

Almost surely, 2^73772230 is an apocalyptic number.

73772230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73772230 is an abundant number, since it is smaller than the sum of its proper divisors (83225210).

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

73772230 is a wasteful number, since it uses less digits than its factorization.

73772230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36384.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 73772230 is about 8589.0762017810. The cubic root of 73772230 is about 419.4024571447.

Adding to 73772230 its reverse (3227737), we get a palindrome (76999967).

The spelling of 73772230 in words is "seventy-three million, seven hundred seventy-two thousand, two hundred thirty".