47970442 has 8 divisors (see below), whose sum is σ = 77490756. Its totient is φ = 22140192.

The previous prime is 47970371. The next prime is 47970443. The reversal of 47970442 is 24407974.

It can be written as a sum of positive squares in 2 ways, for example, as 38551681 + 9418761 = 6209^2 + 3069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47970443) 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, 922483 + ... + 922534.

Almost surely, 2^47970442 is an apocalyptic number.

47970442 is a deficient number, since it is larger than the sum of its proper divisors (29520314).

47970442 is a wasteful number, since it uses less digits than its factorization.

47970442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845032.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 47970442 is about 6926.0697368710. The cubic root of 47970442 is about 363.3495054011.

The spelling of 47970442 in words is "forty-seven million, nine hundred seventy thousand, four hundred forty-two".