72034543146 has 32 divisors (see below), whose sum is σ = 145897210368. Its totient is φ = 23707193840.

The previous prime is 72034543123. The next prime is 72034543177. The reversal of 72034543146 is 64134543027.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755281 + ... + 845291.

It is an arithmetic number, because the mean of its divisors is an integer number (4559287824).

Almost surely, 2^72034543146 is an apocalyptic number.

72034543146 is an abundant number, since it is smaller than the sum of its proper divisors (73862667222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72034543146 is a wasteful number, since it uses less digits than its factorization.

72034543146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91706.

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 72034543146 in words is "seventy-two billion, thirty-four million, five hundred forty-three thousand, one hundred forty-six".