73404100 has 72 divisors (see below), whose sum is σ = 198612288. Its totient is φ = 22876800.

The previous prime is 73404077. The next prime is 73404101. The reversal of 73404100 is 140437.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73404101) 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, 2934 + ... + 12466.

It is an arithmetic number, because the mean of its divisors is an integer number (2758504).

Almost surely, 2^73404100 is an apocalyptic number.

73404100 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73404100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99306144).

73404100 is an abundant number, since it is smaller than the sum of its proper divisors (125208188).

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

73404100 is a wasteful number, since it uses less digits than its factorization.

73404100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9565 (or 9558 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 73404100 is about 8567.6192725868. The cubic root of 73404100 is about 418.7036749823.

Adding to 73404100 its reverse (140437), we get a palindrome (73544537).

The spelling of 73404100 in words is "seventy-three million, four hundred four thousand, one hundred".