70209459 has 6 divisors (see below), whose sum is σ = 101413676. Its totient is φ = 46806300.

The previous prime is 70209383. The next prime is 70209463. The reversal of 70209459 is 95490207.

It is not a de Polignac number, because 70209459 - 2⁷ = 70209331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70202459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3900517 + ... + 3900534.

Almost surely, 2^70209459 is an apocalyptic number.

70209459 is a deficient number, since it is larger than the sum of its proper divisors (31204217).

70209459 is a wasteful number, since it uses less digits than its factorization.

70209459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801057 (or 7801054 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 70209459 is about 8379.1084847972. The cubic root of 70209459 is about 412.5391874616.

The spelling of 70209459 in words is "seventy million, two hundred nine thousand, four hundred fifty-nine".