61683468 has 96 divisors (see below), whose sum is σ = 180837888. Its totient is φ = 15897600.

The previous prime is 61683439. The next prime is 61683473. The reversal of 61683468 is 86438616.

It is a happy number.

61683468 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

61683468 is a modest number, since divided by 83468 gives 616 as remainder.

61683468 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222546 + ... + 222822.

It is an arithmetic number, because the mean of its divisors is an integer number (1883728).

Almost surely, 2^61683468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61683468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90418944).

61683468 is an abundant number, since it is smaller than the sum of its proper divisors (119154420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61683468 is a wasteful number, since it uses less digits than its factorization.

61683468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 541 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 61683468 is about 7853.8823520600. The cubic root of 61683468 is about 395.1144634359.

The spelling of 61683468 in words is "sixty-one million, six hundred eighty-three thousand, four hundred sixty-eight".