72052706 has 16 divisors (see below), whose sum is σ = 118990080. Its totient is φ = 32449680.

The previous prime is 72052699. The next prime is 72052759. The reversal of 72052706 is 60725027.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12626 + ... + 17421.

It is an arithmetic number, because the mean of its divisors is an integer number (7436880).

Almost surely, 2^72052706 is an apocalyptic number.

72052706 is a deficient number, since it is larger than the sum of its proper divisors (46937374).

72052706 is a wasteful number, since it uses less digits than its factorization.

72052706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30169.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 72052706 is about 8488.3865369103. The cubic root of 72052706 is about 416.1182517932.

The spelling of 72052706 in words is "seventy-two million, fifty-two thousand, seven hundred six".