72135741662 has 32 divisors (see below), whose sum is σ = 114809776704. Its totient is φ = 33919142400.

The previous prime is 72135741647. The next prime is 72135741673. The reversal of 72135741662 is 26614753127.

It is a happy number.

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, 8753408 + ... + 8761644.

It is an arithmetic number, because the mean of its divisors is an integer number (3587805522).

Almost surely, 2^72135741662 is an apocalyptic number.

72135741662 is a deficient number, since it is larger than the sum of its proper divisors (42674035042).

72135741662 is a wasteful number, since it uses less digits than its factorization.

72135741662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444.

The product of its digits is 423360, while the sum is 44.

The spelling of 72135741662 in words is "seventy-two billion, one hundred thirty-five million, seven hundred forty-one thousand, six hundred sixty-two".