70348681 has 8 divisors (see below), whose sum is σ = 76227200. Its totient is φ = 64536912.

The previous prime is 70348673. The next prime is 70348699. The reversal of 70348681 is 18684307.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70348681 - 2³ = 70348673 is a prime.

It is a super-2 number, since 2×70348681² = 9897873836879522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70348681.

It is not an unprimeable number, because it can be changed into a prime (70348081) 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 in 7 ways as a sum of consecutive naturals, for example, 14481 + ... + 18718.

It is an arithmetic number, because the mean of its divisors is an integer number (9528400).

Almost surely, 2^70348681 is an apocalyptic number.

It is an amenable number.

70348681 is a deficient number, since it is larger than the sum of its proper divisors (5878519).

70348681 is a wasteful number, since it uses less digits than its factorization.

70348681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33375.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 70348681 is about 8387.4120561708. The cubic root of 70348681 is about 412.8116892491.

The spelling of 70348681 in words is "seventy million, three hundred forty-eight thousand, six hundred eighty-one".