70846987 has 2 divisors, whose sum is σ = 70846988. Its totient is φ = 70846986.

The previous prime is 70846981. The next prime is 70846999. The reversal of 70846987 is 78964807.

It is a weak prime.

It is an emirp because it is prime and its reverse (78964807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70846987 - 2¹⁹ = 70322699 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70846987.

It is not a weakly prime, because it can be changed into another prime (70846981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35423493 + 35423494.

It is an arithmetic number, because the mean of its divisors is an integer number (35423494).

Almost surely, 2^70846987 is an apocalyptic number.

70846987 is a deficient number, since it is larger than the sum of its proper divisors (1).

70846987 is an equidigital number, since it uses as much as digits as its factorization.

70846987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 70846987 is about 8417.0652248869. The cubic root of 70846987 is about 413.7840967023.

The spelling of 70846987 in words is "seventy million, eight hundred forty-six thousand, nine hundred eighty-seven".