72083951 has 2 divisors, whose sum is σ = 72083952. Its totient is φ = 72083950.

The previous prime is 72083939. The next prime is 72083983. The reversal of 72083951 is 15938027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72083951 - 2⁶ = 72083887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72083651) 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, 36041975 + 36041976.

It is an arithmetic number, because the mean of its divisors is an integer number (36041976).

Almost surely, 2^72083951 is an apocalyptic number.

72083951 is a deficient number, since it is larger than the sum of its proper divisors (1).

72083951 is an equidigital number, since it uses as much as digits as its factorization.

72083951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 72083951 is about 8490.2267932017. The cubic root of 72083951 is about 416.1783917315.

The spelling of 72083951 in words is "seventy-two million, eighty-three thousand, nine hundred fifty-one".