7321732420007 has 4 divisors (see below), whose sum is σ = 7321776912840. Its totient is φ = 7321687927176.

The previous prime is 7321732419943. The next prime is 7321732420139. The reversal of 7321732420007 is 7000242371237.

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 7321732420007 - 2⁶ = 7321732419943 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 (7321732426007) 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, 21998657 + ... + 22329002.

It is an arithmetic number, because the mean of its divisors is an integer number (1830444228210).

Almost surely, 2^{7321732420007} is an apocalyptic number.

7321732420007 is a deficient number, since it is larger than the sum of its proper divisors (44492833).

7321732420007 is a wasteful number, since it uses less digits than its factorization.

7321732420007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44492832.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 7321732420007 in words is "seven trillion, three hundred twenty-one billion, seven hundred thirty-two million, four hundred twenty thousand, seven".