61772473605752 has 48 divisors (see below), whose sum is σ = 145097431146360. Its totient is φ = 24437462083776.

The previous prime is 61772473605709. The next prime is 61772473605761. The reversal of 61772473605752 is 25750637427716.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6060873398 + ... + 6060883589.

Almost surely, 2^{61772473605752} is an apocalyptic number.

It is an amenable number.

61772473605752 is an abundant number, since it is smaller than the sum of its proper divisors (83324957540608).

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

61772473605752 is a wasteful number, since it uses less digits than its factorization.

61772473605752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121757020 (or 12121757009 counting only the distinct ones).

The product of its (nonzero) digits is 103723200, while the sum is 62.

The spelling of 61772473605752 in words is "sixty-one trillion, seven hundred seventy-two billion, four hundred seventy-three million, six hundred five thousand, seven hundred fifty-two".