32072993 has 2 divisors, whose sum is σ = 32072994. Its totient is φ = 32072992.

The previous prime is 32072987. The next prime is 32073023. The reversal of 32072993 is 39927023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29343889 + 2729104 = 5417^2 + 1652^2 .

It is a cyclic number.

It is not a de Polignac number, because 32072993 - 2⁴ = 32072977 is a prime.

It is not a weakly prime, because it can be changed into another prime (32072983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16036496 + 16036497.

It is an arithmetic number, because the mean of its divisors is an integer number (16036497).

Almost surely, 2^32072993 is an apocalyptic number.

It is an amenable number.

32072993 is a deficient number, since it is larger than the sum of its proper divisors (1).

32072993 is an equidigital number, since it uses as much as digits as its factorization.

32072993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 32072993 is about 5663.3023051926. The cubic root of 32072993 is about 317.7214211771.

The spelling of 32072993 in words is "thirty-two million, seventy-two thousand, nine hundred ninety-three".