47042669 has 8 divisors (see below), whose sum is σ = 49149720. Its totient is φ = 44968000.

The previous prime is 47042663. The next prime is 47042687. The reversal of 47042669 is 96624074.

It can be written as a sum of positive squares in 4 ways, for example, as 5697769 + 41344900 = 2387^2 + 6430^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47042669 is a prime.

It is a super-2 number, since 2×47042669² = 4426025413287122, which contains 22 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 (47042663) 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, 5102 + ... + 10959.

It is an arithmetic number, because the mean of its divisors is an integer number (6143715).

Almost surely, 2^47042669 is an apocalyptic number.

It is an amenable number.

47042669 is a deficient number, since it is larger than the sum of its proper divisors (2107051).

47042669 is a wasteful number, since it uses less digits than its factorization.

47042669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16191.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 47042669 is about 6858.7658510843. The cubic root of 47042669 is about 360.9917842018.

The spelling of 47042669 in words is "forty-seven million, forty-two thousand, six hundred sixty-nine".