72345487607 has 4 divisors (see below), whose sum is σ = 72423363120. Its totient is φ = 72267612096.

The previous prime is 72345487549. The next prime is 72345487633. The reversal of 72345487607 is 70678454327.

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 72345487607 - 2³⁴ = 55165618423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72345487637) 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, 38936363 + ... + 38938220.

It is an arithmetic number, because the mean of its divisors is an integer number (18105840780).

Almost surely, 2^72345487607 is an apocalyptic number.

72345487607 is a deficient number, since it is larger than the sum of its proper divisors (77875513).

72345487607 is an equidigital number, since it uses as much as digits as its factorization.

72345487607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77875512.

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 72345487607 in words is "seventy-two billion, three hundred forty-five million, four hundred eighty-seven thousand, six hundred seven".