72048937 has 2 divisors, whose sum is σ = 72048938. Its totient is φ = 72048936.

The previous prime is 72048923. The next prime is 72048947. The reversal of 72048937 is 73984027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55041561 + 17007376 = 7419^2 + 4124^2 .

It is a cyclic number.

It is not a de Polignac number, because 72048937 - 2¹¹ = 72046889 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72048937.

It is not a weakly prime, because it can be changed into another prime (72048917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36024468 + 36024469.

It is an arithmetic number, because the mean of its divisors is an integer number (36024469).

Almost surely, 2^72048937 is an apocalyptic number.

It is an amenable number.

72048937 is a deficient number, since it is larger than the sum of its proper divisors (1).

72048937 is an equidigital number, since it uses as much as digits as its factorization.

72048937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 72048937 is about 8488.1645247957. The cubic root of 72048937 is about 416.1109960997.

The spelling of 72048937 in words is "seventy-two million, forty-eight thousand, nine hundred thirty-seven".