60722240782457 has 12 divisors (see below), whose sum is σ = 64138162201956. Its totient is φ = 57479828234400.

The previous prime is 60722240782451. The next prime is 60722240782481. The reversal of 60722240782457 is 75428704222706.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30547994296576 + 30174246485881 = 5527024^2 + 5493109^2 .

It is not a de Polignac number, because 60722240782457 - 2³² = 60717945815161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60722240782451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67542794 + ... + 68435907.

It is an arithmetic number, because the mean of its divisors is an integer number (5344846850163).

Almost surely, 2^{60722240782457} is an apocalyptic number.

It is an amenable number.

60722240782457 is a deficient number, since it is larger than the sum of its proper divisors (3415921419499).

60722240782457 is a wasteful number, since it uses less digits than its factorization.

60722240782457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135979976 (or 135979957 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 56.

The spelling of 60722240782457 in words is "sixty trillion, seven hundred twenty-two billion, two hundred forty million, seven hundred eighty-two thousand, four hundred fifty-seven".