70531946 has 16 divisors (see below), whose sum is σ = 112311360. Its totient is φ = 33105600.

The previous prime is 70531883. The next prime is 70531999. The reversal of 70531946 is 64913507.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 11771 + ... + 16721.

It is an arithmetic number, because the mean of its divisors is an integer number (7019460).

Almost surely, 2^70531946 is an apocalyptic number.

70531946 is a deficient number, since it is larger than the sum of its proper divisors (41779414).

70531946 is a wasteful number, since it uses less digits than its factorization.

70531946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 70531946 is about 8398.3299530323. The cubic root of 70531946 is about 413.1698496431.

The spelling of 70531946 in words is "seventy million, five hundred thirty-one thousand, nine hundred forty-six".