70916842 has 4 divisors (see below), whose sum is σ = 106375266. Its totient is φ = 35458420.

The previous prime is 70916821. The next prime is 70916849. The reversal of 70916842 is 24861907.

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., 43678881 + 27237961 = 6609^2 + 5219^2 .

It is not an unprimeable number, because it can be changed into a prime (70916849) 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, 17729209 + ... + 17729212.

Almost surely, 2^70916842 is an apocalyptic number.

70916842 is a deficient number, since it is larger than the sum of its proper divisors (35458424).

70916842 is a wasteful number, since it uses less digits than its factorization.

70916842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35458423.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 70916842 is about 8421.2138079970. The cubic root of 70916842 is about 413.9200488176.

The spelling of 70916842 in words is "seventy million, nine hundred sixteen thousand, eight hundred forty-two".