27732118770 has 64 divisors (see below), whose sum is σ = 74003120640. Its totient is φ = 7390151424.

The previous prime is 27732118769. The next prime is 27732118783. The reversal of 27732118770 is 7781123772.

It is a super-2 number, since 2×27732118770² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366954 + ... + 436026.

It is an arithmetic number, because the mean of its divisors is an integer number (1156298760).

Almost surely, 2^27732118770 is an apocalyptic number.

27732118770 is an abundant number, since it is smaller than the sum of its proper divisors (46271001870).

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

27732118770 is a wasteful number, since it uses less digits than its factorization.

27732118770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70576 (or 70570 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 45.

The spelling of 27732118770 in words is "twenty-seven billion, seven hundred thirty-two million, one hundred eighteen thousand, seven hundred seventy".