70062989 has 2 divisors, whose sum is σ = 70062990. Its totient is φ = 70062988.

The previous prime is 70062961. The next prime is 70063057. The reversal of 70062989 is 98926007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 624100 = 8333^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 70062989 - 2¹⁶ = 69997453 is a prime.

It is a super-2 number, since 2×70062989² = 9817644855228242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70062089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35031494 + 35031495.

It is an arithmetic number, because the mean of its divisors is an integer number (35031495).

Almost surely, 2^70062989 is an apocalyptic number.

It is an amenable number.

70062989 is a deficient number, since it is larger than the sum of its proper divisors (1).

70062989 is an equidigital number, since it uses as much as digits as its factorization.

70062989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 70062989 is about 8370.3637316427. The cubic root of 70062989 is about 412.2521098921.

The spelling of 70062989 in words is "seventy million, sixty-two thousand, nine hundred eighty-nine".