70874009 has 8 divisors (see below), whose sum is σ = 75828480. Its totient is φ = 66042000.

The previous prime is 70873997. The next prime is 70874077. The reversal of 70874009 is 90047807.

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 70874009 - 2⁸ = 70873753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70874009.

It is not an unprimeable number, because it can be changed into a prime (70879009) 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, 29417 + ... + 31734.

It is an arithmetic number, because the mean of its divisors is an integer number (9478560).

Almost surely, 2^70874009 is an apocalyptic number.

It is an amenable number.

70874009 is a deficient number, since it is larger than the sum of its proper divisors (4954471).

70874009 is a wasteful number, since it uses less digits than its factorization.

70874009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61231.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 70874009 is about 8418.6702631710. The cubic root of 70874009 is about 413.8366976342.

The spelling of 70874009 in words is "seventy million, eight hundred seventy-four thousand, nine".