7140872 has 8 divisors (see below), whose sum is σ = 13389150. Its totient is φ = 3570432.

The previous prime is 7140863. The next prime is 7140883. The reversal of 7140872 is 2780417.

7140872 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6584356 + 556516 = 2566^2 + 746^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446297 + ... + 446312.

Almost surely, 2^7140872 is an apocalyptic number.

It is an amenable number.

7140872 is a deficient number, since it is larger than the sum of its proper divisors (6248278).

7140872 is a wasteful number, since it uses less digits than its factorization.

7140872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892615 (or 892611 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 7140872 is about 2672.2410070950. The cubic root of 7140872 is about 192.5678357651.

The spelling of 7140872 in words is "seven million, one hundred forty thousand, eight hundred seventy-two".