70873207 has 2 divisors, whose sum is σ = 70873208. Its totient is φ = 70873206.

The previous prime is 70873199. The next prime is 70873247. The reversal of 70873207 is 70237807.

It is a weak prime.

It is an emirp because it is prime and its reverse (70237807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70873207 - 2³ = 70873199 is a prime.

It is a super-2 number, since 2×70873207² = 10046022940929698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70873247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35436603 + 35436604.

It is an arithmetic number, because the mean of its divisors is an integer number (35436604).

Almost surely, 2^70873207 is an apocalyptic number.

70873207 is a deficient number, since it is larger than the sum of its proper divisors (1).

70873207 is an equidigital number, since it uses as much as digits as its factorization.

70873207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 70873207 is about 8418.6226308108. The cubic root of 70873207 is about 413.8351366563.

The spelling of 70873207 in words is "seventy million, eight hundred seventy-three thousand, two hundred seven".