8151072 has 48 divisors (see below), whose sum is σ = 21555072. Its totient is φ = 2696960.

The previous prime is 8151053. The next prime is 8151079. The reversal of 8151072 is 2701518.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8151079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18697 + ... + 19127.

It is an arithmetic number, because the mean of its divisors is an integer number (449064).

Almost surely, 2^8151072 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 8151072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10777536).

8151072 is an abundant number, since it is smaller than the sum of its proper divisors (13404000).

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

8151072 is a wasteful number, since it uses less digits than its factorization.

8151072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 8151072 is about 2855.0082311615. The cubic root of 8151072 is about 201.2510908728.

The spelling of 8151072 in words is "eight million, one hundred fifty-one thousand, seventy-two".