70685947 has 8 divisors (see below), whose sum is σ = 76418000. Its totient is φ = 65155104.

The previous prime is 70685939. The next prime is 70685959. The reversal of 70685947 is 74958607.

It is a happy number.

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

It is not a de Polignac number, because 70685947 - 2³ = 70685939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70685897 and 70685906.

It is not an unprimeable number, because it can be changed into a prime (70685347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49572 + ... + 50977.

It is an arithmetic number, because the mean of its divisors is an integer number (9552250).

Almost surely, 2^70685947 is an apocalyptic number.

70685947 is a deficient number, since it is larger than the sum of its proper divisors (5732053).

70685947 is a wasteful number, since it uses less digits than its factorization.

70685947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100605.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 70685947 is about 8407.4935028223. The cubic root of 70685947 is about 413.4703390921.

The spelling of 70685947 in words is "seventy million, six hundred eighty-five thousand, nine hundred forty-seven".