72454436374 has 16 divisors (see below), whose sum is σ = 108807622848. Its totient is φ = 36185253192.

The previous prime is 72454436347. The next prime is 72454436387. The reversal of 72454436374 is 47363445427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10523137 + ... + 10530019.

It is an arithmetic number, because the mean of its divisors is an integer number (6800476428).

Almost surely, 2^72454436374 is an apocalyptic number.

72454436374 is a deficient number, since it is larger than the sum of its proper divisors (36353186474).

72454436374 is a wasteful number, since it uses less digits than its factorization.

72454436374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12219.

The product of its digits is 6773760, while the sum is 49.

The spelling of 72454436374 in words is "seventy-two billion, four hundred fifty-four million, four hundred thirty-six thousand, three hundred seventy-four".