70020799 has 2 divisors, whose sum is σ = 70020800. Its totient is φ = 70020798.

The previous prime is 70020767. The next prime is 70020803. The reversal of 70020799 is 99702007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70020799 - 2⁵ = 70020767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70020499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35010399 + 35010400.

It is an arithmetic number, because the mean of its divisors is an integer number (35010400).

Almost surely, 2^70020799 is an apocalyptic number.

70020799 is a deficient number, since it is larger than the sum of its proper divisors (1).

70020799 is an equidigital number, since it uses as much as digits as its factorization.

70020799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 70020799 is about 8367.8431510157. The cubic root of 70020799 is about 412.1693443259.

The spelling of 70020799 in words is "seventy million, twenty thousand, seven hundred ninety-nine".