2150072 has 8 divisors (see below), whose sum is σ = 4031400. Its totient is φ = 1075032.

The previous prime is 2150039. The next prime is 2150101. The reversal of 2150072 is 2700512.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2150072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134372 + ... + 134387.

It is an arithmetic number, because the mean of its divisors is an integer number (503925).

2^2150072 is an apocalyptic number.

It is an amenable number.

2150072 is a deficient number, since it is larger than the sum of its proper divisors (1881328).

2150072 is a wasteful number, since it uses less digits than its factorization.

2150072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268765 (or 268761 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2150072 is about 1466.3123814522. The cubic root of 2150072 is about 129.0677287913.

Adding to 2150072 its reverse (2700512), we get a palindrome (4850584).

The spelling of 2150072 in words is "two million, one hundred fifty thousand, seventy-two".