70894851 has 4 divisors (see below), whose sum is σ = 94526472. Its totient is φ = 47263232.

The previous prime is 70894843. The next prime is 70894877. The reversal of 70894851 is 15849807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15849807 = 3 ⋅5283269.

It is a cyclic number.

It is not a de Polignac number, because 70894851 - 2³ = 70894843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70894801) 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, 11815806 + ... + 11815811.

It is an arithmetic number, because the mean of its divisors is an integer number (23631618).

Almost surely, 2^70894851 is an apocalyptic number.

70894851 is a deficient number, since it is larger than the sum of its proper divisors (23631621).

70894851 is a wasteful number, since it uses less digits than its factorization.

70894851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23631620.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 70894851 is about 8419.9080161246. The cubic root of 70894851 is about 413.8772594670.

It can be divided in two parts, 708 and 94851, that added together give a palindrome (95559).

The spelling of 70894851 in words is "seventy million, eight hundred ninety-four thousand, eight hundred fifty-one".