72371012 has 12 divisors (see below), whose sum is σ = 144742080. Its totient is φ = 31016136.

The previous prime is 72371011. The next prime is 72371017. The reversal of 72371012 is 21017327.

72371012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72371011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292312 + ... + 1292367.

It is an arithmetic number, because the mean of its divisors is an integer number (12061840).

Almost surely, 2^72371012 is an apocalyptic number.

It is an amenable number.

72371012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72371012 is a wasteful number, since it uses less digits than its factorization.

72371012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584690 (or 2584688 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 72371012 is about 8507.1153747907. The cubic root of 72371012 is about 416.7301111568.

Adding to 72371012 its reverse (21017327), we get a palindrome (93388339).

The spelling of 72371012 in words is "seventy-two million, three hundred seventy-one thousand, twelve".