8158072 has 32 divisors (see below), whose sum is σ = 16833600. Its totient is φ = 3682944.

The previous prime is 8158063. The next prime is 8158097. The reversal of 8158072 is 2708518.

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, 4054 + ... + 5722.

It is an arithmetic number, because the mean of its divisors is an integer number (526050).

Almost surely, 2^8158072 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 8158072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8416800).

8158072 is an abundant number, since it is smaller than the sum of its proper divisors (8675528).

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

8158072 is a wasteful number, since it uses less digits than its factorization.

8158072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 8158072 is about 2856.2338839808. The cubic root of 8158072 is about 201.3086847106.

The spelling of 8158072 in words is "eight million, one hundred fifty-eight thousand, seventy-two".