72401513107667 has 4 divisors (see below), whose sum is σ = 72401560517880. Its totient is φ = 72401465697456.

The previous prime is 72401513107639. The next prime is 72401513107673. The reversal of 72401513107667 is 76670131510427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72401513107667 - 2³⁰ = 72400439365843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72401513106667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21335453 + ... + 24494990.

It is an arithmetic number, because the mean of its divisors is an integer number (18100390129470).

Almost surely, 2^{72401513107667} is an apocalyptic number.

72401513107667 is a deficient number, since it is larger than the sum of its proper divisors (47410213).

72401513107667 is a wasteful number, since it uses less digits than its factorization.

72401513107667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47410212.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 72401513107667 in words is "seventy-two trillion, four hundred one billion, five hundred thirteen million, one hundred seven thousand, six hundred sixty-seven".