70680838 has 4 divisors (see below), whose sum is σ = 106021260. Its totient is φ = 35340418.

The previous prime is 70680829. The next prime is 70680871. The reversal of 70680838 is 83808607.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70680838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17670208 + ... + 17670211.

It is an arithmetic number, because the mean of its divisors is an integer number (26505315).

Almost surely, 2^70680838 is an apocalyptic number.

70680838 is a deficient number, since it is larger than the sum of its proper divisors (35340422).

70680838 is a wasteful number, since it uses less digits than its factorization.

70680838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35340421.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 70680838 is about 8407.1896612364. The cubic root of 70680838 is about 413.4603773248.

The spelling of 70680838 in words is "seventy million, six hundred eighty thousand, eight hundred thirty-eight".