63740906 has 8 divisors (see below), whose sum is σ = 95767680. Its totient is φ = 31818348.

The previous prime is 63740903. The next prime is 63740917. The reversal of 63740906 is 60904736.

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

It is not an unprimeable number, because it can be changed into a prime (63740903) 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, 24506 + ... + 26981.

It is an arithmetic number, because the mean of its divisors is an integer number (11970960).

Almost surely, 2^63740906 is an apocalyptic number.

63740906 is a deficient number, since it is larger than the sum of its proper divisors (32026774).

63740906 is a wasteful number, since it uses less digits than its factorization.

63740906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52108.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 63740906 is about 7983.7902026544. The cubic root of 63740906 is about 399.4594907868.

It can be divided in two parts, 63740 and 906, that added together give a palindrome (64646).

The spelling of 63740906 in words is "sixty-three million, seven hundred forty thousand, nine hundred six".