29687442 has 16 divisors (see below), whose sum is σ = 59428512. Its totient is φ = 9886880.

The previous prime is 29687401. The next prime is 29687447. The reversal of 29687442 is 24478692.

It is a junction number, because it is equal to n+sod(n) for n = 29687394 and 29687403.

It is not an unprimeable number, because it can be changed into a prime (29687447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10942 + ... + 13382.

It is an arithmetic number, because the mean of its divisors is an integer number (3714282).

Almost surely, 2^29687442 is an apocalyptic number.

29687442 is an abundant number, since it is smaller than the sum of its proper divisors (29741070).

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

29687442 is a wasteful number, since it uses less digits than its factorization.

29687442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473.

The product of its digits is 193536, while the sum is 42.

The square root of 29687442 is about 5448.6183569782. The cubic root of 29687442 is about 309.6403807608.

The spelling of 29687442 in words is "twenty-nine million, six hundred eighty-seven thousand, four hundred forty-two".