61683897 has 8 divisors (see below), whose sum is σ = 89722080. Its totient is φ = 37384160.

The previous prime is 61683889. The next prime is 61683917. The reversal of 61683897 is 79838616.

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

It is not a de Polignac number, because 61683897 - 2³ = 61683889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61681897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934572 + ... + 934637.

It is an arithmetic number, because the mean of its divisors is an integer number (11215260).

Almost surely, 2^61683897 is an apocalyptic number.

It is an amenable number.

61683897 is a deficient number, since it is larger than the sum of its proper divisors (28038183).

61683897 is a wasteful number, since it uses less digits than its factorization.

61683897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869223.

The product of its digits is 435456, while the sum is 48.

The square root of 61683897 is about 7853.9096633460. The cubic root of 61683897 is about 395.1153794226.

The spelling of 61683897 in words is "sixty-one million, six hundred eighty-three thousand, eight hundred ninety-seven".