70561801 has 8 divisors (see below), whose sum is σ = 74523680. Its totient is φ = 66624768.

The previous prime is 70561793. The next prime is 70561819. The reversal of 70561801 is 10816507.

It is a happy number.

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 70561801 - 2³ = 70561793 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 70561801.

It is not an unprimeable number, because it can be changed into a prime (70561831) 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, 216 + ... + 11881.

It is an arithmetic number, because the mean of its divisors is an integer number (9315460).

Almost surely, 2^70561801 is an apocalyptic number.

It is an amenable number.

70561801 is a deficient number, since it is larger than the sum of its proper divisors (3961879).

70561801 is a wasteful number, since it uses less digits than its factorization.

70561801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12423.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 70561801 is about 8400.1072016969. The cubic root of 70561801 is about 413.2281373956.

The spelling of 70561801 in words is "seventy million, five hundred sixty-one thousand, eight hundred one".