7013780 has 24 divisors (see below), whose sum is σ = 14973000. Its totient is φ = 2759040.

The previous prime is 7013771. The next prime is 7013807. The reversal of 7013780 is 873107.

7013780 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 4 ways, for example, as 643204 + 6370576 = 802^2 + 2524^2 .

It is an Ulam number.

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, 1655 + ... + 4094.

It is an arithmetic number, because the mean of its divisors is an integer number (623875).

Almost surely, 2^7013780 is an apocalyptic number.

It is an amenable number.

7013780 is an abundant number, since it is smaller than the sum of its proper divisors (7959220).

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

7013780 is a wasteful number, since it uses less digits than its factorization.

7013780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5819 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 7013780 is about 2648.3542059173. The cubic root of 7013780 is about 191.4185607214.

Adding to 7013780 its reverse (873107), we get a palindrome (7886887).

The spelling of 7013780 in words is "seven million, thirteen thousand, seven hundred eighty".