61863324 has 12 divisors (see below), whose sum is σ = 144347784. Its totient is φ = 20621104.

The previous prime is 61863299. The next prime is 61863331. The reversal of 61863324 is 42336816.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 2577627 + ... + 2577650.

It is an arithmetic number, because the mean of its divisors is an integer number (12028982).

Almost surely, 2^61863324 is an apocalyptic number.

It is an amenable number.

61863324 is an abundant number, since it is smaller than the sum of its proper divisors (82484460).

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

61863324 is a wasteful number, since it uses less digits than its factorization.

61863324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155284 (or 5155282 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 61863324 is about 7865.3241509807. The cubic root of 61863324 is about 395.4981143123.

The spelling of 61863324 in words is "sixty-one million, eight hundred sixty-three thousand, three hundred twenty-four".