47970394 has 8 divisors (see below), whose sum is σ = 71997408. Its totient is φ = 23971260.

The previous prime is 47970371. The next prime is 47970443. The reversal of 47970394 is 49307974.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47970394.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942 + ... + 9985.

It is an arithmetic number, because the mean of its divisors is an integer number (8999676).

Almost surely, 2^47970394 is an apocalyptic number.

47970394 is a deficient number, since it is larger than the sum of its proper divisors (24027014).

47970394 is a wasteful number, since it uses less digits than its factorization.

47970394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13940.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 47970394 is about 6926.0662717014. The cubic root of 47970394 is about 363.3493842099.

The spelling of 47970394 in words is "forty-seven million, nine hundred seventy thousand, three hundred ninety-four".