70739646 has 8 divisors (see below), whose sum is σ = 141479304. Its totient is φ = 23579880.

The previous prime is 70739639. The next prime is 70739659. The reversal of 70739646 is 64693707.

It is a sphenic number, since it is the product of 3 distinct primes.

70739646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 70739598 and 70739607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5894965 + ... + 5894976.

It is an arithmetic number, because the mean of its divisors is an integer number (17684913).

Almost surely, 2^70739646 is an apocalyptic number.

70739646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70739646 is a wasteful number, since it uses less digits than its factorization.

70739646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11789946.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 70739646 is about 8410.6864166963. The cubic root of 70739646 is about 413.5750148899.

The spelling of 70739646 in words is "seventy million, seven hundred thirty-nine thousand, six hundred forty-six".