648494707 has 8 divisors (see below), whose sum is σ = 742404096. Its totient is φ = 554902152.

The previous prime is 648494701. The next prime is 648494711. The reversal of 648494707 is 707494846.

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

It is not a de Polignac number, because 648494707 - 2¹⁵ = 648461939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648494701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74803 + ... + 83020.

It is an arithmetic number, because the mean of its divisors is an integer number (92800512).

Almost surely, 2^648494707 is an apocalyptic number.

648494707 is a deficient number, since it is larger than the sum of its proper divisors (93909389).

648494707 is a wasteful number, since it uses less digits than its factorization.

648494707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158417.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 648494707 is about 25465.5592320294. The cubic root of 648494707 is about 865.5698994273.

The spelling of 648494707 in words is "six hundred forty-eight million, four hundred ninety-four thousand, seven hundred seven".