61827412 has 12 divisors (see below), whose sum is σ = 109314100. Its totient is φ = 30594816.

The previous prime is 61827397. The next prime is 61827413. The reversal of 61827412 is 21472816.

It can be written as a sum of positive squares in 2 ways, for example, as 42432196 + 19395216 = 6514^2 + 4404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61827413) 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, 79287 + ... + 80062.

Almost surely, 2^61827412 is an apocalyptic number.

It is an amenable number.

61827412 is a deficient number, since it is larger than the sum of its proper divisors (47486688).

61827412 is a wasteful number, since it uses less digits than its factorization.

61827412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159450 (or 159448 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 61827412 is about 7863.0408875956. The cubic root of 61827412 is about 395.4215698884.

The spelling of 61827412 in words is "sixty-one million, eight hundred twenty-seven thousand, four hundred twelve".