61819324 has 12 divisors (see below), whose sum is σ = 123638704. Its totient is φ = 26493984.

The previous prime is 61819319. The next prime is 61819339. The reversal of 61819324 is 42391816.

61819324 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61819324.

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, 1103889 + ... + 1103944.

Almost surely, 2^61819324 is an apocalyptic number.

It is an amenable number.

61819324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61819324 is a wasteful number, since it uses less digits than its factorization.

61819324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207844 (or 2207842 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 61819324 is about 7862.5265659329. The cubic root of 61819324 is about 395.4043266785.

The spelling of 61819324 in words is "sixty-one million, eight hundred nineteen thousand, three hundred twenty-four".