72952438403 has 24 divisors (see below), whose sum is σ = 80302762512. Its totient is φ = 65873124288.

The previous prime is 72952438387. The next prime is 72952438409. The reversal of 72952438403 is 30483425927.

It is not a de Polignac number, because 72952438403 - 2⁴ = 72952438387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72952438409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11443925 + ... + 11450297.

It is an arithmetic number, because the mean of its divisors is an integer number (3345948438).

Almost surely, 2^72952438403 is an apocalyptic number.

72952438403 is a deficient number, since it is larger than the sum of its proper divisors (7350324109).

72952438403 is a wasteful number, since it uses less digits than its factorization.

72952438403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675 (or 6572 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 72952438403 in words is "seventy-two billion, nine hundred fifty-two million, four hundred thirty-eight thousand, four hundred three".