70889603 has 4 divisors (see below), whose sum is σ = 71202120. Its totient is φ = 70577088.

The previous prime is 70889593. The next prime is 70889629. The reversal of 70889603 is 30698807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30698807 = 1451 ⋅21157.

It is a cyclic number.

It is not a de Polignac number, because 70889603 - 2¹⁰ = 70888579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70880603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155918 + ... + 156371.

It is an arithmetic number, because the mean of its divisors is an integer number (17800530).

Almost surely, 2^70889603 is an apocalyptic number.

70889603 is a deficient number, since it is larger than the sum of its proper divisors (312517).

70889603 is a wasteful number, since it uses less digits than its factorization.

70889603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312516.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 70889603 is about 8419.5963679977. The cubic root of 70889603 is about 413.8670467768.

The spelling of 70889603 in words is "seventy million, eight hundred eighty-nine thousand, six hundred three".