70889801 has 4 divisors (see below), whose sum is σ = 70938900. Its totient is φ = 70840704.

The previous prime is 70889783. The next prime is 70889807. The reversal of 70889801 is 10898807.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25999801 + 44890000 = 5099^2 + 6700^2 .

It is a cyclic number.

It is not a de Polignac number, because 70889801 - 2¹⁰ = 70888777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70889807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22316 + ... + 25293.

It is an arithmetic number, because the mean of its divisors is an integer number (17734725).

Almost surely, 2^70889801 is an apocalyptic number.

It is an amenable number.

70889801 is a deficient number, since it is larger than the sum of its proper divisors (49099).

70889801 is a wasteful number, since it uses less digits than its factorization.

70889801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49098.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 70889801 is about 8419.6081262729. The cubic root of 70889801 is about 413.8674320970.

It can be divided in two parts, 708 and 89801, that added together give a palindrome (90509).

The spelling of 70889801 in words is "seventy million, eight hundred eighty-nine thousand, eight hundred one".