39972059 has 2 divisors, whose sum is σ = 39972060. Its totient is φ = 39972058.

The previous prime is 39972013. The next prime is 39972061. The reversal of 39972059 is 95027993.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39972059 is a prime.

It is a Sophie Germain prime.

Together with 39972061, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39972259) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19986029 + 19986030.

It is an arithmetic number, because the mean of its divisors is an integer number (19986030).

Almost surely, 2^39972059 is an apocalyptic number.

39972059 is a deficient number, since it is larger than the sum of its proper divisors (1).

39972059 is an equidigital number, since it uses as much as digits as its factorization.

39972059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 39972059 is about 6322.3460044512. The cubic root of 39972059 is about 341.9155400569.

The spelling of 39972059 in words is "thirty-nine million, nine hundred seventy-two thousand, fifty-nine".