70014509 has 2 divisors, whose sum is σ = 70014510. Its totient is φ = 70014508.

The previous prime is 70014493. The next prime is 70014521. The reversal of 70014509 is 90541007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60497284 + 9517225 = 7778^2 + 3085^2 .

It is a cyclic number.

It is not a de Polignac number, because 70014509 - 2⁴ = 70014493 is a prime.

It is a super-2 number, since 2×70014509² = 9804062941022162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70014569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35007254 + 35007255.

It is an arithmetic number, because the mean of its divisors is an integer number (35007255).

Almost surely, 2^70014509 is an apocalyptic number.

It is an amenable number.

70014509 is a deficient number, since it is larger than the sum of its proper divisors (1).

70014509 is an equidigital number, since it uses as much as digits as its factorization.

70014509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 70014509 is about 8367.4672990099. The cubic root of 70014509 is about 412.1570021702.

The spelling of 70014509 in words is "seventy million, fourteen thousand, five hundred nine".