61750305612 has 72 divisors (see below), whose sum is σ = 164526000912. Its totient is φ = 20245982400.

The previous prime is 61750305611. The next prime is 61750305613. The reversal of 61750305612 is 21650305716.

61750305612 is a `hidden beast` number, since 6 + 1 + 7 + 5 + 0 + 30 + 5 + 612 = 666.

It is an interprime number because it is at equal distance from previous prime (61750305611) and next prime (61750305613).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (61750305611) 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 23 ways as a sum of consecutive naturals, for example, 461439 + ... + 580022.

It is an arithmetic number, because the mean of its divisors is an integer number (2285083346).

Almost surely, 2^61750305612 is an apocalyptic number.

It is an amenable number.

61750305612 is an abundant number, since it is smaller than the sum of its proper divisors (102775695300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61750305612 is a wasteful number, since it uses less digits than its factorization.

61750305612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041541 (or 1041527 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 61750305612 in words is "sixty-one billion, seven hundred fifty million, three hundred five thousand, six hundred twelve".