73448645900 has 72 divisors (see below), whose sum is σ = 182191776480. Its totient is φ = 25176983040.

The previous prime is 73448645873. The next prime is 73448645903. The reversal of 73448645900 is 954684437.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (73448645903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4590314 + ... + 4606286.

It is an arithmetic number, because the mean of its divisors is an integer number (2530441340).

Almost surely, 2^73448645900 is an apocalyptic number.

73448645900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73448645900 is an abundant number, since it is smaller than the sum of its proper divisors (108743130580).

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

73448645900 is a wasteful number, since it uses less digits than its factorization.

73448645900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22563 (or 22556 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 73448645900 in words is "seventy-three billion, four hundred forty-eight million, six hundred forty-five thousand, nine hundred".