72050999 has 2 divisors, whose sum is σ = 72051000. Its totient is φ = 72050998.

The previous prime is 72050971. The next prime is 72051011. The reversal of 72050999 is 99905027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72050999 - 2¹² = 72046903 is a prime.

It is a Sophie Germain 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 (72050959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36025499 + 36025500.

It is an arithmetic number, because the mean of its divisors is an integer number (36025500).

Almost surely, 2^72050999 is an apocalyptic number.

72050999 is a deficient number, since it is larger than the sum of its proper divisors (1).

72050999 is an equidigital number, since it uses as much as digits as its factorization.

72050999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 72050999 is about 8488.2859871708. The cubic root of 72050999 is about 416.1149656826.

The spelling of 72050999 in words is "seventy-two million, fifty thousand, nine hundred ninety-nine".