16070729 has 8 divisors (see below), whose sum is σ = 17431848. Its totient is φ = 14755840.

The previous prime is 16070723. The next prime is 16070759. The reversal of 16070729 is 92707061.

16070729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4326400 + 11744329 = 2080^2 + 3427^2 .

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 16070729 - 2¹⁶ = 16005193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16070695 and 16070704.

It is not an unprimeable number, because it can be changed into a prime (16070723) 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, 10832 + ... + 12225.

It is an arithmetic number, because the mean of its divisors is an integer number (2178981).

Almost surely, 2^16070729 is an apocalyptic number.

It is an amenable number.

16070729 is a deficient number, since it is larger than the sum of its proper divisors (1361119).

16070729 is a wasteful number, since it uses less digits than its factorization.

16070729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23115.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 16070729 is about 4008.8313758501. The cubic root of 16070729 is about 252.3549681776.

The spelling of 16070729 in words is "sixteen million, seventy thousand, seven hundred twenty-nine".