70862009 has 8 divisors (see below), whose sum is σ = 72276000. Its totient is φ = 69455232.

The previous prime is 70861991. The next prime is 70862021. The reversal of 70862009 is 90026807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70862009 - 2²⁰ = 69813433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70862059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20777 + ... + 23945.

It is an arithmetic number, because the mean of its divisors is an integer number (9034500).

Almost surely, 2^70862009 is an apocalyptic number.

It is an amenable number.

70862009 is a deficient number, since it is larger than the sum of its proper divisors (1413991).

70862009 is a wasteful number, since it uses less digits than its factorization.

70862009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 70862009 is about 8417.9575313730. The cubic root of 70862009 is about 413.8133401263.

The spelling of 70862009 in words is "seventy million, eight hundred sixty-two thousand, nine".