61683442 has 8 divisors (see below), whose sum is σ = 93640176. Its totient is φ = 30470052.

The previous prime is 61683439. The next prime is 61683473. The reversal of 61683442 is 24438616.

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

It is a junction number, because it is equal to n+sod(n) for n = 61683398 and 61683407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185628 + ... + 185959.

It is an arithmetic number, because the mean of its divisors is an integer number (11705022).

Almost surely, 2^61683442 is an apocalyptic number.

61683442 is a deficient number, since it is larger than the sum of its proper divisors (31956734).

61683442 is a wasteful number, since it uses less digits than its factorization.

61683442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371672.

The product of its digits is 27648, while the sum is 34.

The square root of 61683442 is about 7853.8806968275. The cubic root of 61683442 is about 395.1144079215.

The spelling of 61683442 in words is "sixty-one million, six hundred eighty-three thousand, four hundred forty-two".