70894906 has 4 divisors (see below), whose sum is σ = 106342362. Its totient is φ = 35447452.

The previous prime is 70894903. The next prime is 70894907. The reversal of 70894906 is 60949807.

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

It can be written as a sum of positive squares in only one way, i.e., 63920025 + 6974881 = 7995^2 + 2641^2 .

It is not an unprimeable number, because it can be changed into a prime (70894903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17723725 + ... + 17723728.

Almost surely, 2^70894906 is an apocalyptic number.

70894906 is a deficient number, since it is larger than the sum of its proper divisors (35447456).

70894906 is a wasteful number, since it uses less digits than its factorization.

70894906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35447455.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 70894906 is about 8419.9112821929. The cubic root of 70894906 is about 413.8773664952.

The spelling of 70894906 in words is "seventy million, eight hundred ninety-four thousand, nine hundred six".