27432029 has 6 divisors (see below), whose sum is σ = 28952190. Its totient is φ = 25987896.

The previous prime is 27432023. The next prime is 27432037. The reversal of 27432029 is 92023472.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16999129 + 10432900 = 4123^2 + 3230^2 .

It is a de Polignac number, because none of the positive numbers 2^k-27432029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27431992 and 27432010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27432023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37634 + ... + 38355.

It is an arithmetic number, because the mean of its divisors is an integer number (4825365).

Almost surely, 2^27432029 is an apocalyptic number.

It is an amenable number.

27432029 is a deficient number, since it is larger than the sum of its proper divisors (1520161).

27432029 is an equidigital number, since it uses as much as digits as its factorization.

27432029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76027 (or 76008 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 27432029 is about 5237.5594507366. The cubic root of 27432029 is about 301.5916479956.

The spelling of 27432029 in words is "twenty-seven million, four hundred thirty-two thousand, twenty-nine".