63700471 has 4 divisors (see below), whose sum is σ = 64780200. Its totient is φ = 62620744.

The previous prime is 63700459. The next prime is 63700477. The reversal of 63700471 is 17400736.

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

It is a cyclic number.

It is not a de Polignac number, because 63700471 - 2⁹ = 63699959 is a prime.

It is a super-3 number, since 3×63700471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63700477) 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, 539776 + ... + 539893.

It is an arithmetic number, because the mean of its divisors is an integer number (16195050).

Almost surely, 2^63700471 is an apocalyptic number.

63700471 is a deficient number, since it is larger than the sum of its proper divisors (1079729).

63700471 is a wasteful number, since it uses less digits than its factorization.

63700471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079728.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 63700471 is about 7981.2574823771. The cubic root of 63700471 is about 399.3750052124.

The spelling of 63700471 in words is "sixty-three million, seven hundred thousand, four hundred seventy-one".