47245474 has 4 divisors (see below), whose sum is σ = 70868214. Its totient is φ = 23622736.

The previous prime is 47245463. The next prime is 47245483. The reversal of 47245474 is 47454274.

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

It can be written as a sum of positive squares in only one way, i.e., 44796249 + 2449225 = 6693^2 + 1565^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11811367 + ... + 11811370.

Almost surely, 2^47245474 is an apocalyptic number.

47245474 is a deficient number, since it is larger than the sum of its proper divisors (23622740).

47245474 is a wasteful number, since it uses less digits than its factorization.

47245474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23622739.

The product of its digits is 125440, while the sum is 37.

The square root of 47245474 is about 6873.5343164925. The cubic root of 47245474 is about 361.5097960790.

The spelling of 47245474 in words is "forty-seven million, two hundred forty-five thousand, four hundred seventy-four".