72373376 has 32 divisors (see below), whose sum is σ = 145824300. Its totient is φ = 35774464.

The previous prime is 72373361. The next prime is 72373381. The reversal of 72373376 is 67337327.

It can be written as a sum of positive squares in 2 ways, for example, as 69889600 + 2483776 = 8360^2 + 1576^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216 + ... + 14568.

Almost surely, 2^72373376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72373376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72912150).

72373376 is an abundant number, since it is smaller than the sum of its proper divisors (73450924).

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

72373376 is an equidigital number, since it uses as much as digits as its factorization.

72373376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456 (or 6444 counting only the distinct ones).

The product of its digits is 111132, while the sum is 38.

The square root of 72373376 is about 8507.2543161704. The cubic root of 72373376 is about 416.7346486055.

The spelling of 72373376 in words is "seventy-two million, three hundred seventy-three thousand, three hundred seventy-six".