73400130 has 96 divisors (see below), whose sum is σ = 202849920. Its totient is φ = 18374400.

The previous prime is 73400123. The next prime is 73400161. The reversal of 73400130 is 3100437.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121830 + ... + 122430.

It is an arithmetic number, because the mean of its divisors is an integer number (2113020).

Almost surely, 2^73400130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73400130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101424960).

73400130 is an abundant number, since it is smaller than the sum of its proper divisors (129449790).

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

73400130 is a wasteful number, since it uses less digits than its factorization.

73400130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 73400130 is about 8567.3875831551. The cubic root of 73400130 is about 418.6961264323.

Adding to 73400130 its reverse (3100437), we get a palindrome (76500567).

The spelling of 73400130 in words is "seventy-three million, four hundred thousand, one hundred thirty".