70321959 has 16 divisors (see below), whose sum is σ = 105891040. Its totient is φ = 46111680.

The previous prime is 70321921. The next prime is 70321967. The reversal of 70321959 is 95912307.

It is not a de Polignac number, because 70321959 - 2²³ = 61933351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70321969) 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 15 ways as a sum of consecutive naturals, for example, 19702 + ... + 22995.

It is an arithmetic number, because the mean of its divisors is an integer number (6618190).

Almost surely, 2^70321959 is an apocalyptic number.

70321959 is a deficient number, since it is larger than the sum of its proper divisors (35569081).

70321959 is a wasteful number, since it uses less digits than its factorization.

70321959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42767 (or 42761 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 70321959 is about 8385.8189224428. The cubic root of 70321959 is about 412.7594136848.

The spelling of 70321959 in words is "seventy million, three hundred twenty-one thousand, nine hundred fifty-nine".