72134000 has 40 divisors (see below), whose sum is σ = 174424848. Its totient is φ = 28852800.

The previous prime is 72133987. The next prime is 72134021. The reversal of 72134000 is 43127.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 72134000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16034 + ... + 20033.

Almost surely, 2^72134000 is an apocalyptic number.

It is an amenable number.

72134000 is an abundant number, since it is smaller than the sum of its proper divisors (102290848).

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

72134000 is a wasteful number, since it uses less digits than its factorization.

72134000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36090 (or 36074 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 72134000 is about 8493.1737295313. The cubic root of 72134000 is about 416.2746891421.

Adding to 72134000 its reverse (43127), we get a palindrome (72177127).

The spelling of 72134000 in words is "seventy-two million, one hundred thirty-four thousand".