25830078 has 16 divisors (see below), whose sum is σ = 51753600. Its totient is φ = 8594456.

The previous prime is 25830071. The next prime is 25830083. The reversal of 25830078 is 87003852.

25830078 is a nontrivial binomial coefficient, being equal to C(7188, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25830071) 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, 1 + ... + 7187.

It is an arithmetic number, because the mean of its divisors is an integer number (3234600).

Almost surely, 2^25830078 is an apocalyptic number.

25830078 is the 7187-th triangular number and also the 3594-th hexagonal number.

25830078 is an abundant number, since it is smaller than the sum of its proper divisors (25923522).

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

25830078 is a wasteful number, since it uses less digits than its factorization.

25830078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 25830078 is about 5082.3299774808. The cubic root of 25830078 is about 295.6028198000.

The spelling of 25830078 in words is "twenty-five million, eight hundred thirty thousand, seventy-eight".