26878730 has 32 divisors (see below), whose sum is σ = 51226560. Its totient is φ = 10126080.

The previous prime is 26878729. The next prime is 26878759. The reversal of 26878730 is 3787862.

It is a super-2 number, since 2×26878730² = 1444932252825800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45497 + ... + 46083.

It is an arithmetic number, because the mean of its divisors is an integer number (1600830).

Almost surely, 2^26878730 is an apocalyptic number.

26878730 is a deficient number, since it is larger than the sum of its proper divisors (24347830).

26878730 is a wasteful number, since it uses less digits than its factorization.

26878730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 26878730 is about 5184.4700789955. The cubic root of 26878730 is about 299.5501777220.

The spelling of 26878730 in words is "twenty-six million, eight hundred seventy-eight thousand, seven hundred thirty".