81032627 has 12 divisors (see below), whose sum is σ = 90123840. Its totient is φ = 72772128.

The previous prime is 81032621. The next prime is 81032629. The reversal of 81032627 is 72623018.

It is a happy number.

It is not a de Polignac number, because 81032627 - 2¹² = 81028531 is a prime.

It is a super-2 number, since 2×81032627² = 13132573277042258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 81032627.

It is not an unprimeable number, because it can be changed into a prime (81032621) 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, 227 + ... + 12732.

It is an arithmetic number, because the mean of its divisors is an integer number (7510320).

Almost surely, 2^81032627 is an apocalyptic number.

81032627 is a deficient number, since it is larger than the sum of its proper divisors (9091213).

81032627 is a wasteful number, since it uses less digits than its factorization.

81032627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022 (or 13009 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 81032627 is about 9001.8124286168. The cubic root of 81032627 is about 432.7329574626.

The spelling of 81032627 in words is "eighty-one million, thirty-two thousand, six hundred twenty-seven".