70914647 has 2 divisors, whose sum is σ = 70914648. Its totient is φ = 70914646.

The previous prime is 70914643. The next prime is 70914653. The reversal of 70914647 is 74641907.

It is a weak prime.

It is an emirp because it is prime and its reverse (74641907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70914647 - 2² = 70914643 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 70914647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70914643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35457323 + 35457324.

It is an arithmetic number, because the mean of its divisors is an integer number (35457324).

Almost surely, 2^70914647 is an apocalyptic number.

70914647 is a deficient number, since it is larger than the sum of its proper divisors (1).

70914647 is an equidigital number, since it uses as much as digits as its factorization.

70914647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70914647 is about 8421.0834813580. The cubic root of 70914647 is about 413.9157782576.

The spelling of 70914647 in words is "seventy million, nine hundred fourteen thousand, six hundred forty-seven".