72547454067 has 8 divisors (see below), whose sum is σ = 105523569600. Its totient is φ = 43968153960.

The previous prime is 72547454053. The next prime is 72547454071. The reversal of 72547454067 is 76045474527.

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

It is not a de Polignac number, because 72547454067 - 2¹⁵ = 72547421299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72547454027) 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, 1099203817 + ... + 1099203882.

It is an arithmetic number, because the mean of its divisors is an integer number (13190446200).

Almost surely, 2^72547454067 is an apocalyptic number.

72547454067 is a deficient number, since it is larger than the sum of its proper divisors (32976115533).

72547454067 is a wasteful number, since it uses less digits than its factorization.

72547454067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198407713.

The product of its (nonzero) digits is 6585600, while the sum is 51.

The spelling of 72547454067 in words is "seventy-two billion, five hundred forty-seven million, four hundred fifty-four thousand, sixty-seven".