25722670 has 8 divisors (see below), whose sum is σ = 46300824. Its totient is φ = 10289064.

The previous prime is 25722607. The next prime is 25722721. The reversal of 25722670 is 7622752.

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

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, 1286124 + ... + 1286143.

It is an arithmetic number, because the mean of its divisors is an integer number (5787603).

Almost surely, 2^25722670 is an apocalyptic number.

25722670 is a deficient number, since it is larger than the sum of its proper divisors (20578154).

25722670 is a wasteful number, since it uses less digits than its factorization.

25722670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572274.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 25722670 is about 5071.7521627146. The cubic root of 25722670 is about 295.1925201234.

The spelling of 25722670 in words is "twenty-five million, seven hundred twenty-two thousand, six hundred seventy".