63972469 has 8 divisors (see below), whose sum is σ = 70932960. Its totient is φ = 57202800.

The previous prime is 63972443. The next prime is 63972481. The reversal of 63972469 is 96427936.

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

It is a cyclic number.

It is not a de Polignac number, because 63972469 - 2¹⁷ = 63841397 is a prime.

It is a super-2 number, since 2×63972469² = 8184953579911922, which contains 22 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 (63972439) 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, 46999 + ... + 48340.

It is an arithmetic number, because the mean of its divisors is an integer number (8866620).

Almost surely, 2^63972469 is an apocalyptic number.

It is an amenable number.

63972469 is a deficient number, since it is larger than the sum of its proper divisors (6960491).

63972469 is a wasteful number, since it uses less digits than its factorization.

63972469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95411.

The product of its digits is 489888, while the sum is 46.

The square root of 63972469 is about 7998.2791274123. The cubic root of 63972469 is about 399.9426355237.

The spelling of 63972469 in words is "sixty-three million, nine hundred seventy-two thousand, four hundred sixty-nine".