27629442 has 12 divisors (see below), whose sum is σ = 59863830. Its totient is φ = 9209808.

The previous prime is 27629419. The next prime is 27629443. The reversal of 27629442 is 24492672.

27629442 is a `hidden beast` number, since 27 + 629 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20061441 + 7568001 = 4479^2 + 2751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27629397 and 27629406.

It is not an unprimeable number, because it can be changed into a prime (27629443) 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, 767467 + ... + 767502.

Almost surely, 2^27629442 is an apocalyptic number.

27629442 is an abundant number, since it is smaller than the sum of its proper divisors (32234388).

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

27629442 is a wasteful number, since it uses less digits than its factorization.

27629442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534977 (or 1534974 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 27629442 is about 5256.3715622090. The cubic root of 27629442 is about 302.3133816963.

The spelling of 27629442 in words is "twenty-seven million, six hundred twenty-nine thousand, four hundred forty-two".