61383766 has 8 divisors (see below), whose sum is σ = 92209104. Its totient is φ = 30647400.

The previous prime is 61383761. The next prime is 61383767. The reversal of 61383766 is 66738316.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61383761) 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, 20490 + ... + 23293.

It is an arithmetic number, because the mean of its divisors is an integer number (11526138).

Almost surely, 2^61383766 is an apocalyptic number.

61383766 is a deficient number, since it is larger than the sum of its proper divisors (30825338).

61383766 is a wasteful number, since it uses less digits than its factorization.

61383766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44486.

The product of its digits is 108864, while the sum is 40.

The square root of 61383766 is about 7834.7792566224. The cubic root of 61383766 is about 394.4735088872.

The spelling of 61383766 in words is "sixty-one million, three hundred eighty-three thousand, seven hundred sixty-six".