26722340 has 24 divisors (see below), whose sum is σ = 58053240. Its totient is φ = 10320128.

The previous prime is 26722337. The next prime is 26722349. The reversal of 26722340 is 4322762.

It can be written as a sum of positive squares in 4 ways, for example, as 5635876 + 21086464 = 2374^2 + 4592^2 .

It is not an unprimeable number, because it can be changed into a prime (26722349) 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, 22457 + ... + 23616.

It is an arithmetic number, because the mean of its divisors is an integer number (2418885).

Almost surely, 2^26722340 is an apocalyptic number.

26722340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26722340 is an abundant number, since it is smaller than the sum of its proper divisors (31330900).

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

26722340 is a wasteful number, since it uses less digits than its factorization.

26722340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46111 (or 46109 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 26722340 is about 5169.3655316683. The cubic root of 26722340 is about 298.9680841987.

The spelling of 26722340 in words is "twenty-six million, seven hundred twenty-two thousand, three hundred forty".