72102382 has 16 divisors (see below), whose sum is σ = 118126512. Its totient is φ = 32734720.

The previous prime is 72102361. The next prime is 72102383. The reversal of 72102382 is 28320127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72102383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25428 + ... + 28120.

It is an arithmetic number, because the mean of its divisors is an integer number (7382907).

Almost surely, 2^72102382 is an apocalyptic number.

72102382 is a deficient number, since it is larger than the sum of its proper divisors (46024130).

72102382 is a wasteful number, since it uses less digits than its factorization.

72102382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 72102382 is about 8491.3121483078. The cubic root of 72102382 is about 416.2138593132.

The spelling of 72102382 in words is "seventy-two million, one hundred two thousand, three hundred eighty-two".