61722925 has 24 divisors (see below), whose sum is σ = 87896160. Its totient is φ = 42523200.

The previous prime is 61722901. The next prime is 61722949. The reversal of 61722925 is 52922716.

It is an interprime number because it is at equal distance from previous prime (61722901) and next prime (61722949).

It is not a de Polignac number, because 61722925 - 2⁵ = 61722893 is a prime.

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, 682 + ... + 11131.

It is an arithmetic number, because the mean of its divisors is an integer number (3662340).

Almost surely, 2^61722925 is an apocalyptic number.

It is an amenable number.

61722925 is a deficient number, since it is larger than the sum of its proper divisors (26173235).

61722925 is a wasteful number, since it uses less digits than its factorization.

61722925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11853 (or 11848 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 61722925 is about 7856.3938928748. The cubic root of 61722925 is about 395.1986929652.

The spelling of 61722925 in words is "sixty-one million, seven hundred twenty-two thousand, nine hundred twenty-five".