47724470 has 16 divisors (see below), whose sum is σ = 86870880. Its totient is φ = 18874944.

The previous prime is 47724463. The next prime is 47724473. The reversal of 47724470 is 7442774.

It is a self number, because there is not a number n which added to its sum of digits gives 47724470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47724473) 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, 25922 + ... + 27701.

It is an arithmetic number, because the mean of its divisors is an integer number (5429430).

Almost surely, 2^47724470 is an apocalyptic number.

47724470 is a deficient number, since it is larger than the sum of its proper divisors (39146410).

47724470 is a wasteful number, since it uses less digits than its factorization.

47724470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53719.

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 47724470 is about 6908.2899475920. The cubic root of 47724470 is about 362.7274070533.

The spelling of 47724470 in words is "forty-seven million, seven hundred twenty-four thousand, four hundred seventy".