27651792420732 has 96 divisors (see below), whose sum is σ = 69077379168000. Its totient is φ = 8584121014272.

The previous prime is 27651792420689. The next prime is 27651792420739. The reversal of 27651792420732 is 23702429715672.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27651792420739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900378 + ... + 7490945.

It is an arithmetic number, because the mean of its divisors is an integer number (719556033000).

Almost surely, 2^{27651792420732} is an apocalyptic number.

It is an amenable number.

27651792420732 is an abundant number, since it is smaller than the sum of its proper divisors (41425586747268).

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

27651792420732 is a wasteful number, since it uses less digits than its factorization.

27651792420732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8391595 (or 8391593 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 27651792420732 in words is "twenty-seven trillion, six hundred fifty-one billion, seven hundred ninety-two million, four hundred twenty thousand, seven hundred thirty-two".