72894615034 has 48 divisors (see below), whose sum is σ = 117683971200. Its totient is φ = 33762718080.

The previous prime is 72894615011. The next prime is 72894615089. The reversal of 72894615034 is 43051649827.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173146144 + ... + 173146564.

It is an arithmetic number, because the mean of its divisors is an integer number (2451749400).

It is a 2-persistent number, because it is pandigital, and so is 2⋅72894615034 = 145789230068, but 3⋅72894615034 = 218683845102 is not.

Almost surely, 2^72894615034 is an apocalyptic number.

72894615034 is a deficient number, since it is larger than the sum of its proper divisors (44789356166).

72894615034 is a wasteful number, since it uses less digits than its factorization.

With its successor (72894615035) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (658).

72894615034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 72894615034 in words is "seventy-two billion, eight hundred ninety-four million, six hundred fifteen thousand, thirty-four".