70681382 has 16 divisors (see below), whose sum is σ = 108103680. Its totient is φ = 34651848.

The previous prime is 70681367. The next prime is 70681421. The reversal of 70681382 is 28318607.

It is a super-2 number, since 2×70681382² = 9991715522859848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30923 + ... + 33129.

It is an arithmetic number, because the mean of its divisors is an integer number (6756480).

Almost surely, 2^70681382 is an apocalyptic number.

70681382 is a deficient number, since it is larger than the sum of its proper divisors (37422298).

70681382 is a wasteful number, since it uses less digits than its factorization.

70681382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 70681382 is about 8407.2220144350. Note that the first 3 decimals coincide. The cubic root of 70681382 is about 413.4614380643.

Adding to 70681382 its reverse (28318607), we get a palindrome (98999989).

The spelling of 70681382 in words is "seventy million, six hundred eighty-one thousand, three hundred eighty-two".