70295737 has 2 divisors, whose sum is σ = 70295738. Its totient is φ = 70295736.

The previous prime is 70295717. The next prime is 70295747. The reversal of 70295737 is 73759207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35473936 + 34821801 = 5956^2 + 5901^2 .

It is an emirp because it is prime and its reverse (73759207) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70295737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70295737.

It is not a weakly prime, because it can be changed into another prime (70295717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35147868 + 35147869.

It is an arithmetic number, because the mean of its divisors is an integer number (35147869).

Almost surely, 2^70295737 is an apocalyptic number.

It is an amenable number.

70295737 is a deficient number, since it is larger than the sum of its proper divisors (1).

70295737 is an equidigital number, since it uses as much as digits as its factorization.

70295737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 40.

The square root of 70295737 is about 8384.2553038418. The cubic root of 70295737 is about 412.7081033825.

The spelling of 70295737 in words is "seventy million, two hundred ninety-five thousand, seven hundred thirty-seven".