70443034729 has 8 divisors (see below), whose sum is σ = 72742339328. Its totient is φ = 68145414480.

The previous prime is 70443034643. The next prime is 70443034751. The reversal of 70443034729 is 92743034407.

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 70443034729 - 2³¹ = 68295551081 is a prime.

It is a super-2 number, since 2×70443034729² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70443034769) 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, 335802 + ... + 503635.

It is an arithmetic number, because the mean of its divisors is an integer number (9092792416).

Almost surely, 2^70443034729 is an apocalyptic number.

It is an amenable number.

70443034729 is a deficient number, since it is larger than the sum of its proper divisors (2299304599).

70443034729 is a wasteful number, since it uses less digits than its factorization.

70443034729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842175.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 70443034729 in words is "seventy billion, four hundred forty-three million, thirty-four thousand, seven hundred twenty-nine".