72070611 has 8 divisors (see below), whose sum is σ = 96195840. Its totient is φ = 47996232.

The previous prime is 72070601. The next prime is 72070657. The reversal of 72070611 is 11607027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-72070611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72070601) 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, 9271 + ... + 15168.

It is an arithmetic number, because the mean of its divisors is an integer number (12024480).

Almost surely, 2^72070611 is an apocalyptic number.

72070611 is a deficient number, since it is larger than the sum of its proper divisors (24125229).

72070611 is a wasteful number, since it uses less digits than its factorization.

72070611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25425.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 72070611 is about 8489.4411476846. The cubic root of 72070611 is about 416.1527172127.

Adding to 72070611 its reverse (11607027), we get a palindrome (83677638).

The spelling of 72070611 in words is "seventy-two million, seventy thousand, six hundred eleven".