72415624445 has 32 divisors (see below), whose sum is σ = 92846407680. Its totient is φ = 54064618560.

The previous prime is 72415624439. The next prime is 72415624469. The reversal of 72415624445 is 54442651427.

It is a happy number.

It is not a de Polignac number, because 72415624445 - 2⁴ = 72415624429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72415624396 and 72415624405.

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, 1849562 + ... + 1888308.

It is an arithmetic number, because the mean of its divisors is an integer number (2901450240).

Almost surely, 2^72415624445 is an apocalyptic number.

It is an amenable number.

72415624445 is a deficient number, since it is larger than the sum of its proper divisors (20430783235).

72415624445 is a wasteful number, since it uses less digits than its factorization.

72415624445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39065.

The product of its digits is 1075200, while the sum is 44.

The spelling of 72415624445 in words is "seventy-two billion, four hundred fifteen million, six hundred twenty-four thousand, four hundred forty-five".