70637093 has 2 divisors, whose sum is σ = 70637094. Its totient is φ = 70637092.

The previous prime is 70637059. The next prime is 70637153. The reversal of 70637093 is 39073607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70274689 + 362404 = 8383^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 70637093 - 2⁶ = 70637029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70637053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35318546 + 35318547.

It is an arithmetic number, because the mean of its divisors is an integer number (35318547).

Almost surely, 2^70637093 is an apocalyptic number.

It is an amenable number.

70637093 is a deficient number, since it is larger than the sum of its proper divisors (1).

70637093 is an equidigital number, since it uses as much as digits as its factorization.

70637093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 70637093 is about 8404.5876162962. The cubic root of 70637093 is about 413.3750616185.

The spelling of 70637093 in words is "seventy million, six hundred thirty-seven thousand, ninety-three".