61725486 has 8 divisors (see below), whose sum is σ = 123450984. Its totient is φ = 20575160.

The previous prime is 61725481. The next prime is 61725493. The reversal of 61725486 is 68452716.

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

61725486 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61725481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5143785 + ... + 5143796.

It is an arithmetic number, because the mean of its divisors is an integer number (15431373).

Almost surely, 2^61725486 is an apocalyptic number.

61725486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61725486 is a wasteful number, since it uses less digits than its factorization.

61725486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287586.

The product of its digits is 80640, while the sum is 39.

The square root of 61725486 is about 7856.5568794479. The cubic root of 61725486 is about 395.2041587347.

The spelling of 61725486 in words is "sixty-one million, seven hundred twenty-five thousand, four hundred eighty-six".