72150834 has 24 divisors (see below), whose sum is σ = 167861808. Its totient is φ = 20614440.

The previous prime is 72150829. The next prime is 72150853. The reversal of 72150834 is 43805127.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122412 + ... + 122999.

It is an arithmetic number, because the mean of its divisors is an integer number (6994242).

Almost surely, 2^72150834 is an apocalyptic number.

72150834 is an abundant number, since it is smaller than the sum of its proper divisors (95710974).

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

72150834 is a wasteful number, since it uses less digits than its factorization.

72150834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245430 (or 245423 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 72150834 is about 8494.1647029005. The cubic root of 72150834 is about 416.3070688016.

The spelling of 72150834 in words is "seventy-two million, one hundred fifty thousand, eight hundred thirty-four".