61947608 has 16 divisors (see below), whose sum is σ = 116250000. Its totient is φ = 30947616.

The previous prime is 61947607. The next prime is 61947623. The reversal of 61947608 is 80674916.

It is a super-2 number, since 2×61947608² = 7675012273843328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61947601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9893 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (7265625).

Almost surely, 2^61947608 is an apocalyptic number.

It is an amenable number.

61947608 is a deficient number, since it is larger than the sum of its proper divisors (54302392).

61947608 is a wasteful number, since it uses less digits than its factorization.

61947608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554 (or 6550 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 61947608 is about 7870.6802755543. The cubic root of 61947608 is about 395.6776446810.

The spelling of 61947608 in words is "sixty-one million, nine hundred forty-seven thousand, six hundred eight".