70729345 has 8 divisors (see below), whose sum is σ = 85046976. Its totient is φ = 56468976.

The previous prime is 70729339. The next prime is 70729409. The reversal of 70729345 is 54392707.

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 70729345 - 2¹¹ = 70727297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 11547 + ... + 16576.

It is an arithmetic number, because the mean of its divisors is an integer number (10630872).

Almost surely, 2^70729345 is an apocalyptic number.

It is an amenable number.

70729345 is a deficient number, since it is larger than the sum of its proper divisors (14317631).

70729345 is a wasteful number, since it uses less digits than its factorization.

70729345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28631.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 70729345 is about 8410.0740186992. The cubic root of 70729345 is about 413.5549391932.

The spelling of 70729345 in words is "seventy million, seven hundred twenty-nine thousand, three hundred forty-five".