72453770174 has 32 divisors (see below), whose sum is σ = 109975773600. Its totient is φ = 35798375808.

The previous prime is 72453770141. The next prime is 72453770197. The reversal of 72453770174 is 47107735427.

It is a congruent number.

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, 61038809 + ... + 61039995.

It is an arithmetic number, because the mean of its divisors is an integer number (3436742925).

Almost surely, 2^72453770174 is an apocalyptic number.

72453770174 is a deficient number, since it is larger than the sum of its proper divisors (37522003426).

72453770174 is a wasteful number, since it uses less digits than its factorization.

72453770174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 1152480, while the sum is 47.

The spelling of 72453770174 in words is "seventy-two billion, four hundred fifty-three million, seven hundred seventy thousand, one hundred seventy-four".