72853951 has 2 divisors, whose sum is σ = 72853952. Its totient is φ = 72853950.

The previous prime is 72853939. The next prime is 72853969. The reversal of 72853951 is 15935827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72853951 - 2⁹ = 72853439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72853981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36426975 + 36426976.

It is an arithmetic number, because the mean of its divisors is an integer number (36426976).

Almost surely, 2^72853951 is an apocalyptic number.

72853951 is a deficient number, since it is larger than the sum of its proper divisors (1).

72853951 is an equidigital number, since it uses as much as digits as its factorization.

72853951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 72853951 is about 8535.4525949126. The cubic root of 72853951 is about 417.6550174347.

It can be divided in two parts, 7285 and 3951, that added together give a square (11236 = 106²).

The spelling of 72853951 in words is "seventy-two million, eight hundred fifty-three thousand, nine hundred fifty-one".