73290100 has 36 divisors (see below), whose sum is σ = 171276364. Its totient is φ = 27060480.

The previous prime is 73290089. The next prime is 73290101. The reversal of 73290100 is 109237.

It can be written as a sum of positive squares in 6 ways, for example, as 27646564 + 45643536 = 5258^2 + 6756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73290101) 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 11 ways as a sum of consecutive naturals, for example, 26889 + ... + 29488.

Almost surely, 2^73290100 is an apocalyptic number.

It is an amenable number.

73290100 is an abundant number, since it is smaller than the sum of its proper divisors (97986264).

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

73290100 is a wasteful number, since it uses less digits than its factorization.

73290100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56404 (or 56397 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 73290100 is about 8560.9637307957. The cubic root of 73290100 is about 418.4868072124.

Adding to 73290100 its reverse (109237), we get a palindrome (73399337).

The spelling of 73290100 in words is "seventy-three million, two hundred ninety thousand, one hundred".