72061110 has 128 divisors (see below), whose sum is σ = 220838400. Its totient is φ = 16536960.

The previous prime is 72061109. The next prime is 72061123. The reversal of 72061110 is 1116027.

72061110 = T₄₁₆ + T₄₁₇ + ... + T₇₉₅.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55792 + ... + 57068.

It is an arithmetic number, because the mean of its divisors is an integer number (1725300).

Almost surely, 2^72061110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72061110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110419200).

72061110 is an abundant number, since it is smaller than the sum of its proper divisors (148777290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72061110 is a wasteful number, since it uses less digits than its factorization.

72061110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 72061110 is about 8488.8815517711. The cubic root of 72061110 is about 416.1344294036.

Adding to 72061110 its reverse (1116027), we get a palindrome (73177137).

The spelling of 72061110 in words is "seventy-two million, sixty-one thousand, one hundred ten".