26572713072 has 20 divisors (see below), whose sum is σ = 68646175560. Its totient is φ = 8857571008.

The previous prime is 26572713049. The next prime is 26572713109. The reversal of 26572713072 is 27031727562.

It is a happy number.

It is a super-2 number, since 2×26572713072² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276799047 + ... + 276799142.

It is an arithmetic number, because the mean of its divisors is an integer number (3432308778).

Almost surely, 2^26572713072 is an apocalyptic number.

It is an amenable number.

26572713072 is an abundant number, since it is smaller than the sum of its proper divisors (42073462488).

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

26572713072 is a wasteful number, since it uses less digits than its factorization.

26572713072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553598200 (or 553598194 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 26572713072 in words is "twenty-six billion, five hundred seventy-two million, seven hundred thirteen thousand, seventy-two".