63774545 has 16 divisors (see below), whose sum is σ = 80754240. Its totient is φ = 48216384.

The previous prime is 63774527. The next prime is 63774559. The reversal of 63774545 is 54547736.

It is a cyclic number.

It is not a de Polignac number, because 63774545 - 2⁶ = 63774481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74339 + ... + 75191.

It is an arithmetic number, because the mean of its divisors is an integer number (5047140).

Almost surely, 2^63774545 is an apocalyptic number.

It is an amenable number.

63774545 is a deficient number, since it is larger than the sum of its proper divisors (16979695).

63774545 is a wasteful number, since it uses less digits than its factorization.

63774545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664.

The product of its digits is 352800, while the sum is 41.

The square root of 63774545 is about 7985.8966309363. The cubic root of 63774545 is about 399.5297494611.

The spelling of 63774545 in words is "sixty-three million, seven hundred seventy-four thousand, five hundred forty-five".