61726516 has 12 divisors (see below), whose sum is σ = 113706880. Its totient is φ = 29238840.

The previous prime is 61726513. The next prime is 61726523. The reversal of 61726516 is 61562716.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61726513) 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, 406020 + ... + 406171.

Almost surely, 2^61726516 is an apocalyptic number.

It is an amenable number.

61726516 is a deficient number, since it is larger than the sum of its proper divisors (51980364).

61726516 is a wasteful number, since it uses less digits than its factorization.

61726516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812214 (or 812212 counting only the distinct ones).

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

The square root of 61726516 is about 7856.6224295177. The cubic root of 61726516 is about 395.2063569516.

The spelling of 61726516 in words is "sixty-one million, seven hundred twenty-six thousand, five hundred sixteen".