72127361254 has 24 divisors (see below), whose sum is σ = 119747608848. Its totient is φ = 32389817760.

The previous prime is 72127361239. The next prime is 72127361351. The reversal of 72127361254 is 45216372127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977602 + ... + 1048789.

It is an arithmetic number, because the mean of its divisors is an integer number (4989483702).

Almost surely, 2^72127361254 is an apocalyptic number.

72127361254 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72127361254 is a deficient number, since it is larger than the sum of its proper divisors (47620247594).

72127361254 is a wasteful number, since it uses less digits than its factorization.

72127361254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026480 (or 2026443 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The spelling of 72127361254 in words is "seventy-two billion, one hundred twenty-seven million, three hundred sixty-one thousand, two hundred fifty-four".