63674331 has 16 divisors (see below), whose sum is σ = 99093504. Its totient is φ = 35610624.

The previous prime is 63674287. The next prime is 63674381. The reversal of 63674331 is 13347636.

It is not a de Polignac number, because 63674331 - 2¹⁰ = 63673307 is a prime.

It is a super-2 number, since 2×63674331² = 8108840856595122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63674292 and 63674301.

It is not an unprimeable number, because it can be changed into a prime (63674381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31270 + ... + 33243.

It is an arithmetic number, because the mean of its divisors is an integer number (6193344).

Almost surely, 2^63674331 is an apocalyptic number.

63674331 is a deficient number, since it is larger than the sum of its proper divisors (35419173).

63674331 is a wasteful number, since it uses less digits than its factorization.

63674331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64570.

The product of its digits is 27216, while the sum is 33.

The square root of 63674331 is about 7979.6197277815. The cubic root of 63674331 is about 399.3203688243.

The spelling of 63674331 in words is "sixty-three million, six hundred seventy-four thousand, three hundred thirty-one".