72134862 has 8 divisors (see below), whose sum is σ = 144269736. Its totient is φ = 24044952.

The previous prime is 72134837. The next prime is 72134873. The reversal of 72134862 is 26843127.

It is a sphenic number, since it is the product of 3 distinct primes.

72134862 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6011233 + ... + 6011244.

It is an arithmetic number, because the mean of its divisors is an integer number (18033717).

Almost surely, 2^72134862 is an apocalyptic number.

72134862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72134862 is a wasteful number, since it uses less digits than its factorization.

72134862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022482.

The product of its digits is 16128, while the sum is 33.

The square root of 72134862 is about 8493.2244760162. The cubic root of 72134862 is about 416.2763472938.

Adding to 72134862 its reverse (26843127), we get a palindrome (98977989).

The spelling of 72134862 in words is "seventy-two million, one hundred thirty-four thousand, eight hundred sixty-two".