63257973 has 8 divisors (see below), whose sum is σ = 88783200. Its totient is φ = 39952368.

The previous prime is 63257963. The next prime is 63257989. The reversal of 63257973 is 37975236.

It is a happy number.

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

It is not a de Polignac number, because 63257973 - 2⁵ = 63257941 is a prime.

It is a super-2 number, since 2×63257973² = 8003142296137458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63257923) 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, 554838 + ... + 554951.

It is an arithmetic number, because the mean of its divisors is an integer number (11097900).

Almost surely, 2^63257973 is an apocalyptic number.

It is an amenable number.

63257973 is a deficient number, since it is larger than the sum of its proper divisors (25525227).

63257973 is a wasteful number, since it uses less digits than its factorization.

63257973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109811.

The product of its digits is 238140, while the sum is 42.

The square root of 63257973 is about 7953.4881027132. The cubic root of 63257973 is about 398.4480971976.

The spelling of 63257973 in words is "sixty-three million, two hundred fifty-seven thousand, nine hundred seventy-three".