47452942 has 4 divisors (see below), whose sum is σ = 71179416. Its totient is φ = 23726470.

The previous prime is 47452927. The next prime is 47452957. The reversal of 47452942 is 24925474.

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

It is an interprime number because it is at equal distance from previous prime (47452927) and next prime (47452957).

It is a congruent number.

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, 11863234 + ... + 11863237.

It is an arithmetic number, because the mean of its divisors is an integer number (17794854).

Almost surely, 2^47452942 is an apocalyptic number.

47452942 is a deficient number, since it is larger than the sum of its proper divisors (23726474).

47452942 is a wasteful number, since it uses less digits than its factorization.

47452942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23726473.

The product of its digits is 80640, while the sum is 37.

The square root of 47452942 is about 6888.6095839436. The cubic root of 47452942 is about 362.0381867065.

The spelling of 47452942 in words is "forty-seven million, four hundred fifty-two thousand, nine hundred forty-two".