72603542001 has 8 divisors (see below), whose sum is σ = 96935719840. Its totient is φ = 48336862752.

The previous prime is 72603541999. The next prime is 72603542017. The reversal of 72603542001 is 10024530627.

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

It is not a de Polignac number, because 72603542001 - 2¹ = 72603541999 is a prime.

It is a super-2 number, since 2×72603542001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72603542001.

It is not an unprimeable number, because it can be changed into a prime (72603542201) 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, 16372060 + ... + 16376493.

It is an arithmetic number, because the mean of its divisors is an integer number (12116964980).

Almost surely, 2^72603542001 is an apocalyptic number.

It is an amenable number.

72603542001 is a deficient number, since it is larger than the sum of its proper divisors (24332177839).

72603542001 is a wasteful number, since it uses less digits than its factorization.

72603542001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32749295.

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 72603542001 in words is "seventy-two billion, six hundred three million, five hundred forty-two thousand, one".