72709961114 has 16 divisors (see below), whose sum is σ = 124777291968. Its totient is φ = 31128500832.

The previous prime is 72709961087. The next prime is 72709961117. The reversal of 72709961114 is 41116990727.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72709961117) 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, 2728859 + ... + 2755374.

It is an arithmetic number, because the mean of its divisors is an integer number (7798580748).

Almost surely, 2^72709961114 is an apocalyptic number.

72709961114 is a deficient number, since it is larger than the sum of its proper divisors (52067330854).

72709961114 is a wasteful number, since it uses less digits than its factorization.

72709961114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485189.

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 72709961114 in words is "seventy-two billion, seven hundred nine million, nine hundred sixty-one thousand, one hundred fourteen".