47970393 has 4 divisors (see below), whose sum is σ = 63960528. Its totient is φ = 31980260.

The previous prime is 47970371. The next prime is 47970443. The reversal of 47970393 is 39307974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47970393 - 2¹² = 47966297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47970493) 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, 7995063 + ... + 7995068.

It is an arithmetic number, because the mean of its divisors is an integer number (15990132).

Almost surely, 2^47970393 is an apocalyptic number.

It is an amenable number.

47970393 is a deficient number, since it is larger than the sum of its proper divisors (15990135).

47970393 is a wasteful number, since it uses less digits than its factorization.

47970393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15990134.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 47970393 is about 6926.0661995104. The cubic root of 47970393 is about 363.3493816851.

The spelling of 47970393 in words is "forty-seven million, nine hundred seventy thousand, three hundred ninety-three".