61082774 has 4 divisors (see below), whose sum is σ = 91624164. Its totient is φ = 30541386.

The previous prime is 61082753. The next prime is 61082789. The reversal of 61082774 is 47728016.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×61082774² = 7462210559070152, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent 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 as a sum of consecutive naturals, namely, 15270692 + ... + 15270695.

It is an arithmetic number, because the mean of its divisors is an integer number (22906041).

Almost surely, 2^61082774 is an apocalyptic number.

61082774 is a deficient number, since it is larger than the sum of its proper divisors (30541390).

61082774 is a wasteful number, since it uses less digits than its factorization.

61082774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30541389.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 61082774 is about 7815.5469418333. The cubic root of 61082774 is about 393.8276922698.

The spelling of 61082774 in words is "sixty-one million, eighty-two thousand, seven hundred seventy-four".