25722071 has 8 divisors (see below), whose sum is σ = 27279504. Its totient is φ = 24169600.

The previous prime is 25722031. The next prime is 25722079. The reversal of 25722071 is 17022752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25722071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25722071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25722079) 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, 19121 + ... + 20421.

It is an arithmetic number, because the mean of its divisors is an integer number (3409938).

Almost surely, 2^25722071 is an apocalyptic number.

25722071 is a deficient number, since it is larger than the sum of its proper divisors (1557433).

25722071 is a wasteful number, since it uses less digits than its factorization.

25722071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 25722071 is about 5071.6931098007. The cubic root of 25722071 is about 295.1902287375.

The spelling of 25722071 in words is "twenty-five million, seven hundred twenty-two thousand, seventy-one".