61772073364 has 12 divisors (see below), whose sum is σ = 113790661600. Its totient is φ = 29260455768.

The previous prime is 61772073353. The next prime is 61772073367. The reversal of 61772073364 is 46337027716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61772073367) by changing a digit.

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, 406395144 + ... + 406395295.

Almost surely, 2^61772073364 is an apocalyptic number.

It is an amenable number.

61772073364 is a deficient number, since it is larger than the sum of its proper divisors (52018588236).

61772073364 is a wasteful number, since it uses less digits than its factorization.

61772073364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812790462 (or 812790460 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 61772073364 in words is "sixty-one billion, seven hundred seventy-two million, seventy-three thousand, three hundred sixty-four".