7401727457685 has 96 divisors (see below), whose sum is σ = 14859023781888. Its totient is φ = 3368558684160.

The previous prime is 7401727457669. The next prime is 7401727457687. The reversal of 7401727457685 is 5867547271047.

It is a happy number.

7401727457685 is a `hidden beast` number, since 7 + 4 + 0 + 172 + 7 + 457 + 6 + 8 + 5 = 666.

It is not a de Polignac number, because 7401727457685 - 2⁴ = 7401727457669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7401727457687) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1959724 + ... + 4317866.

It is an arithmetic number, because the mean of its divisors is an integer number (154781497728).

Almost surely, 2^{7401727457685} is an apocalyptic number.

It is an amenable number.

7401727457685 is an abundant number, since it is smaller than the sum of its proper divisors (7457296324203).

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

7401727457685 is a wasteful number, since it uses less digits than its factorization.

7401727457685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358555 (or 2358552 counting only the distinct ones).

The product of its (nonzero) digits is 92198400, while the sum is 63.

The spelling of 7401727457685 in words is "seven trillion, four hundred one billion, seven hundred twenty-seven million, four hundred fifty-seven thousand, six hundred eighty-five".