26722542 has 48 divisors (see below), whose sum is σ = 67830912. Its totient is φ = 6940080.

The previous prime is 26722523. The next prime is 26722583. The reversal of 26722542 is 24522762.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 898 + ... + 7365.

It is an arithmetic number, because the mean of its divisors is an integer number (1413144).

Almost surely, 2^26722542 is an apocalyptic number.

26722542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26722542 is an abundant number, since it is smaller than the sum of its proper divisors (41108370).

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

26722542 is a wasteful number, since it uses less digits than its factorization.

26722542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293 (or 8286 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 26722542 is about 5169.3850698125. The cubic root of 26722542 is about 298.9688375184.

The spelling of 26722542 in words is "twenty-six million, seven hundred twenty-two thousand, five hundred forty-two".