73072450 has 24 divisors (see below), whose sum is σ = 148271760. Its totient is φ = 26571600.

The previous prime is 73072427. The next prime is 73072457. The reversal of 73072450 is 5427037.

It is not an unprimeable number, because it can be changed into a prime (73072457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65880 + ... + 66979.

It is an arithmetic number, because the mean of its divisors is an integer number (6177990).

Almost surely, 2^73072450 is an apocalyptic number.

73072450 is an abundant number, since it is smaller than the sum of its proper divisors (75199310).

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

73072450 is a wasteful number, since it uses less digits than its factorization.

73072450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132882 (or 132877 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 73072450 is about 8548.2425094285. The cubic root of 73072450 is about 418.0721356241.

Adding to 73072450 its reverse (5427037), we get a palindrome (78499487).

The spelling of 73072450 in words is "seventy-three million, seventy-two thousand, four hundred fifty".