47724867 has 6 divisors (see below), whose sum is σ = 68935932. Its totient is φ = 31816572.

The previous prime is 47724863. The next prime is 47724869. The reversal of 47724867 is 76842774.

It is not a de Polignac number, because 47724867 - 2² = 47724863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47724863) 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, 2651373 + ... + 2651390.

It is an arithmetic number, because the mean of its divisors is an integer number (11489322).

Almost surely, 2^47724867 is an apocalyptic number.

47724867 is a deficient number, since it is larger than the sum of its proper divisors (21211065).

47724867 is a wasteful number, since it uses less digits than its factorization.

47724867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302769 (or 5302766 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 47724867 is about 6908.3186811264. The cubic root of 47724867 is about 362.7284128433.

The spelling of 47724867 in words is "forty-seven million, seven hundred twenty-four thousand, eight hundred sixty-seven".