72732775107 has 8 divisors (see below), whose sum is σ = 97102491984. Its totient is φ = 48425787488.

The previous prime is 72732775103. The next prime is 72732775109. The reversal of 72732775107 is 70157723727.

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

It is a cyclic number.

It is not a de Polignac number, because 72732775107 - 2² = 72732775103 is a prime.

It is a super-2 number, since 2×72732775107² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72732775103) 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, 15679608 + ... + 15684245.

It is an arithmetic number, because the mean of its divisors is an integer number (12137811498).

Almost surely, 2^72732775107 is an apocalyptic number.

72732775107 is a deficient number, since it is larger than the sum of its proper divisors (24369716877).

72732775107 is a wasteful number, since it uses less digits than its factorization.

72732775107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31364629.

The product of its (nonzero) digits is 1008420, while the sum is 48.

The spelling of 72732775107 in words is "seventy-two billion, seven hundred thirty-two million, seven hundred seventy-five thousand, one hundred seven".