72006070 has 32 divisors (see below), whose sum is σ = 135038016. Its totient is φ = 27619200.

The previous prime is 72006059. The next prime is 72006089. The reversal of 72006070 is 7060027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24900 + ... + 27640.

It is an arithmetic number, because the mean of its divisors is an integer number (4219938).

Almost surely, 2^72006070 is an apocalyptic number.

72006070 is a deficient number, since it is larger than the sum of its proper divisors (63031946).

72006070 is a wasteful number, since it uses less digits than its factorization.

72006070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 72006070 is about 8485.6390448805. The cubic root of 72006070 is about 416.0284551233.

Adding to 72006070 its reverse (7060027), we get a palindrome (79066097).

The spelling of 72006070 in words is "seventy-two million, six thousand, seventy".