63970047 has 8 divisors (see below), whose sum is σ = 94770480. Its totient is φ = 42646680.

The previous prime is 63970007. The next prime is 63970069. The reversal of 63970047 is 74007936.

It is not a de Polignac number, because 63970047 - 2¹⁰ = 63969023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63969993 and 63970020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63970007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184604 + ... + 1184657.

It is an arithmetic number, because the mean of its divisors is an integer number (11846310).

Almost surely, 2^63970047 is an apocalyptic number.

63970047 is a deficient number, since it is larger than the sum of its proper divisors (30800433).

63970047 is a wasteful number, since it uses less digits than its factorization.

63970047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369270 (or 2369264 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 63970047 is about 7998.1277184101. The cubic root of 63970047 is about 399.9375881791.

The spelling of 63970047 in words is "sixty-three million, nine hundred seventy thousand, forty-seven".