47524479 has 4 divisors (see below), whose sum is σ = 63365976. Its totient is φ = 31682984.

The previous prime is 47524459. The next prime is 47524481. The reversal of 47524479 is 97442574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47524479 - 2⁵ = 47524447 is a prime.

It is a super-2 number, since 2×47524479² = 4517152208442882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47524479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47524459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7920744 + ... + 7920749.

It is an arithmetic number, because the mean of its divisors is an integer number (15841494).

Almost surely, 2^47524479 is an apocalyptic number.

47524479 is a deficient number, since it is larger than the sum of its proper divisors (15841497).

47524479 is a wasteful number, since it uses less digits than its factorization.

47524479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15841496.

The product of its digits is 282240, while the sum is 42.

The square root of 47524479 is about 6893.8000406162. The cubic root of 47524479 is about 362.2200238484.

The spelling of 47524479 in words is "forty-seven million, five hundred twenty-four thousand, four hundred seventy-nine".