70055747 has 2 divisors, whose sum is σ = 70055748. Its totient is φ = 70055746.

The previous prime is 70055737. The next prime is 70055807. The reversal of 70055747 is 74755007.

It is a weak prime.

It is an emirp because it is prime and its reverse (74755007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70055747 - 2⁶ = 70055683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70055707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35027873 + 35027874.

It is an arithmetic number, because the mean of its divisors is an integer number (35027874).

Almost surely, 2^70055747 is an apocalyptic number.

70055747 is a deficient number, since it is larger than the sum of its proper divisors (1).

70055747 is an equidigital number, since it uses as much as digits as its factorization.

70055747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 70055747 is about 8369.9311227751. The cubic root of 70055747 is about 412.2379053756.

The spelling of 70055747 in words is "seventy million, fifty-five thousand, seven hundred forty-seven".