70362989 has 2 divisors, whose sum is σ = 70362990. Its totient is φ = 70362988.

The previous prime is 70362973. The next prime is 70363031. The reversal of 70362989 is 98926307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48413764 + 21949225 = 6958^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 70362989 - 2⁴ = 70362973 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70362389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35181494 + 35181495.

It is an arithmetic number, because the mean of its divisors is an integer number (35181495).

Almost surely, 2^70362989 is an apocalyptic number.

It is an amenable number.

70362989 is a deficient number, since it is larger than the sum of its proper divisors (1).

70362989 is an equidigital number, since it uses as much as digits as its factorization.

70362989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 70362989 is about 8388.2649576656. The cubic root of 70362989 is about 412.8396741815.

It can be divided in two parts, 7036298 and 9, that added together give a palindrome (7036307).

The spelling of 70362989 in words is "seventy million, three hundred sixty-two thousand, nine hundred eighty-nine".