70681349 has 8 divisors (see below), whose sum is σ = 74702880. Its totient is φ = 66690000.

The previous prime is 70681339. The next prime is 70681357. The reversal of 70681349 is 94318607.

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

It is not a de Polignac number, because 70681349 - 2¹² = 70677253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70681309) 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, 2642 + ... + 12179.

It is an arithmetic number, because the mean of its divisors is an integer number (9337860).

Almost surely, 2^70681349 is an apocalyptic number.

It is an amenable number.

70681349 is a deficient number, since it is larger than the sum of its proper divisors (4021531).

70681349 is a wasteful number, since it uses less digits than its factorization.

70681349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15091.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 70681349 is about 8407.2200518364. The cubic root of 70681349 is about 413.4613737181.

The spelling of 70681349 in words is "seventy million, six hundred eighty-one thousand, three hundred forty-nine".