72134304 has 96 divisors (see below), whose sum is σ = 209309184. Its totient is φ = 21569280.

The previous prime is 72134297. The next prime is 72134311. The reversal of 72134304 is 40343127.

It is an interprime number because it is at equal distance from previous prime (72134297) and next prime (72134311).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87237 + ... + 88059.

It is an arithmetic number, because the mean of its divisors is an integer number (2180304).

Almost surely, 2^72134304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72134304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104654592).

72134304 is an abundant number, since it is smaller than the sum of its proper divisors (137174880).

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

72134304 is a wasteful number, since it uses less digits than its factorization.

72134304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 72134304 is about 8493.1916262380. The cubic root of 72134304 is about 416.2752739210.

The spelling of 72134304 in words is "seventy-two million, one hundred thirty-four thousand, three hundred four".