26776420 has 24 divisors (see below), whose sum is σ = 61342848. Its totient is φ = 9736800.

The previous prime is 26776369. The next prime is 26776423. The reversal of 26776420 is 2467762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26776423) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 60636 + ... + 61075.

It is an arithmetic number, because the mean of its divisors is an integer number (2555952).

Almost surely, 2^26776420 is an apocalyptic number.

26776420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26776420 is an abundant number, since it is smaller than the sum of its proper divisors (34566428).

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

26776420 is a wasteful number, since it uses less digits than its factorization.

26776420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121731 (or 121729 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 26776420 is about 5174.5937038573. The cubic root of 26776420 is about 299.1696296635.

The spelling of 26776420 in words is "twenty-six million, seven hundred seventy-six thousand, four hundred twenty".