61824996 has 18 divisors (see below), whose sum is σ = 156279942. Its totient is φ = 20608320.

The previous prime is 61824991. The next prime is 61825003. The reversal of 61824996 is 69942816.

It is a happy number.

61824996 is a `hidden beast` number, since 618 + 24 + 9 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58982400 + 2842596 = 7680^2 + 1686^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (61824991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 858645 + ... + 858716.

It is an arithmetic number, because the mean of its divisors is an integer number (8682219).

Almost surely, 2^61824996 is an apocalyptic number.

It is an amenable number.

61824996 is an abundant number, since it is smaller than the sum of its proper divisors (94454946).

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

61824996 is a wasteful number, since it uses less digits than its factorization.

61824996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717371 (or 1717366 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 61824996 is about 7862.8872559639. The cubic root of 61824996 is about 395.4164192552.

The spelling of 61824996 in words is "sixty-one million, eight hundred twenty-four thousand, nine hundred ninety-six".