61747482067 has 4 divisors (see below), whose sum is σ = 61977026880. Its totient is φ = 61517937256.

The previous prime is 61747482053. The next prime is 61747482077. The reversal of 61747482067 is 76028474716.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61747482067 - 2²³ = 61739093459 is a prime.

It is a super-2 number, since 2×61747482067² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61747482077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114772003 + ... + 114772540.

It is an arithmetic number, because the mean of its divisors is an integer number (15494256720).

Almost surely, 2^61747482067 is an apocalyptic number.

61747482067 is a deficient number, since it is larger than the sum of its proper divisors (229544813).

61747482067 is a wasteful number, since it uses less digits than its factorization.

61747482067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229544812.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 61747482067 in words is "sixty-one billion, seven hundred forty-seven million, four hundred eighty-two thousand, sixty-seven".