72157625343554 has 8 divisors (see below), whose sum is σ = 108259709677968. Its totient is φ = 36071055450900.

The previous prime is 72157625343533. The next prime is 72157625343599. The reversal of 72157625343554 is 45534352675127.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 72157625343493 and 72157625343502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878598812 + ... + 3878617415.

It is an arithmetic number, because the mean of its divisors is an integer number (13532463709746).

Almost surely, 2^{72157625343554} is an apocalyptic number.

72157625343554 is a deficient number, since it is larger than the sum of its proper divisors (36102084334414).

72157625343554 is a wasteful number, since it uses less digits than its factorization.

72157625343554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757220880.

The product of its digits is 105840000, while the sum is 59.

The spelling of 72157625343554 in words is "seventy-two trillion, one hundred fifty-seven billion, six hundred twenty-five million, three hundred forty-three thousand, five hundred fifty-four".