61330782 has 8 divisors (see below), whose sum is σ = 122661576. Its totient is φ = 20443592.

The previous prime is 61330769. The next prime is 61330837. The reversal of 61330782 is 28703316.

It is a sphenic number, since it is the product of 3 distinct primes.

61330782 is an admirable number.

It is a super-2 number, since 2×61330782² = 7522929641463048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110893 + ... + 5110904.

It is an arithmetic number, because the mean of its divisors is an integer number (15332697).

Almost surely, 2^61330782 is an apocalyptic number.

61330782 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.

61330782 is a wasteful number, since it uses less digits than its factorization.

61330782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221802.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 61330782 is about 7831.3971933493. The cubic root of 61330782 is about 394.3599783225.

The spelling of 61330782 in words is "sixty-one million, three hundred thirty thousand, seven hundred eighty-two".