42029471 has 12 divisors (see below), whose sum is σ = 46363800. Its totient is φ = 38071440.

The previous prime is 42029411. The next prime is 42029483. The reversal of 42029471 is 17492024.

It is a de Polignac number, because none of the positive numbers 2^k-42029471 is a prime.

It is a super-3 number, since 3×42029471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42029401) 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, 50285 + ... + 51113.

It is an arithmetic number, because the mean of its divisors is an integer number (3863650).

Almost surely, 2^42029471 is an apocalyptic number.

42029471 is a deficient number, since it is larger than the sum of its proper divisors (4334329).

42029471 is a wasteful number, since it uses less digits than its factorization.

42029471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1259 counting only the distinct ones).

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

The square root of 42029471 is about 6483.0140366962. The cubic root of 42029471 is about 347.6839486392.

The spelling of 42029471 in words is "forty-two million, twenty-nine thousand, four hundred seventy-one".