70812499 has 2 divisors, whose sum is σ = 70812500. Its totient is φ = 70812498.

The previous prime is 70812481. The next prime is 70812517. The reversal of 70812499 is 99421807.

It is a balanced prime because it is at equal distance from previous prime (70812481) and next prime (70812517).

It is a cyclic number.

It is not a de Polignac number, because 70812499 - 2¹¹ = 70810451 is a prime.

It is not a weakly prime, because it can be changed into another prime (70812199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35406249 + 35406250.

It is an arithmetic number, because the mean of its divisors is an integer number (35406250).

Almost surely, 2^70812499 is an apocalyptic number.

70812499 is a deficient number, since it is larger than the sum of its proper divisors (1).

70812499 is an equidigital number, since it uses as much as digits as its factorization.

70812499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 70812499 is about 8415.0162804358. The cubic root of 70812499 is about 413.7169430483.

The spelling of 70812499 in words is "seventy million, eight hundred twelve thousand, four hundred ninety-nine".