61292812 has 12 divisors (see below), whose sum is σ = 122585680. Its totient is φ = 26268336.

The previous prime is 61292801. The next prime is 61292821. The reversal of 61292812 is 21829216.

61292812 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094487 + ... + 1094542.

Almost surely, 2^61292812 is an apocalyptic number.

It is an amenable number.

61292812 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.

61292812 is a wasteful number, since it uses less digits than its factorization.

61292812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189040 (or 2189038 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 61292812 is about 7828.9726018169. The cubic root of 61292812 is about 394.2785785258.

The spelling of 61292812 in words is "sixty-one million, two hundred ninety-two thousand, eight hundred twelve".