662744998 has 8 divisors (see below), whose sum is σ = 994354200. Its totient is φ = 331293600.

The previous prime is 662744993. The next prime is 662745047. The reversal of 662744998 is 899447266.

It is a happy number.

662744998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662744993) 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, 28323 + ... + 46126.

It is an arithmetic number, because the mean of its divisors is an integer number (124294275).

Almost surely, 2^662744998 is an apocalyptic number.

662744998 is a deficient number, since it is larger than the sum of its proper divisors (331609202).

662744998 is a wasteful number, since it uses less digits than its factorization.

662744998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78902.

The product of its digits is 5225472, while the sum is 55.

The square root of 662744998 is about 25743.8341744193. The cubic root of 662744998 is about 871.8641483437.

The spelling of 662744998 in words is "six hundred sixty-two million, seven hundred forty-four thousand, nine hundred ninety-eight".