648740362 has 8 divisors (see below), whose sum is σ = 973533600. Its totient is φ = 324229164.

The previous prime is 648740303. The next prime is 648740377. The reversal of 648740362 is 263047846.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64662 + ... + 74017.

It is an arithmetic number, because the mean of its divisors is an integer number (121691700).

Almost surely, 2^648740362 is an apocalyptic number.

648740362 is a deficient number, since it is larger than the sum of its proper divisors (324793238).

648740362 is a wasteful number, since it uses less digits than its factorization.

648740362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141020.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 648740362 is about 25470.3820544569. The cubic root of 648740362 is about 865.6791805713.

The spelling of 648740362 in words is "six hundred forty-eight million, seven hundred forty thousand, three hundred sixty-two".