72454436375 has 32 divisors (see below), whose sum is σ = 92678040000. Its totient is φ = 56519616000.

The previous prime is 72454436347. The next prime is 72454436387. The reversal of 72454436375 is 57363445427.

It is not a de Polignac number, because 72454436375 - 2¹⁰ = 72454435351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17674076 + ... + 17678174.

It is an arithmetic number, because the mean of its divisors is an integer number (2896188750).

Almost surely, 2^72454436375 is an apocalyptic number.

72454436375 is a deficient number, since it is larger than the sum of its proper divisors (20223603625).

72454436375 is a wasteful number, since it uses less digits than its factorization.

72454436375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604 (or 7594 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 50.

The spelling of 72454436375 in words is "seventy-two billion, four hundred fifty-four million, four hundred thirty-six thousand, three hundred seventy-five".