648077270 has 16 divisors (see below), whose sum is σ = 1227936240. Its totient is φ = 245587104.

The previous prime is 648077249. The next prime is 648077303. The reversal of 648077270 is 72770846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705277 + ... + 1705656.

It is an arithmetic number, because the mean of its divisors is an integer number (76746015).

Almost surely, 2^648077270 is an apocalyptic number.

648077270 is a deficient number, since it is larger than the sum of its proper divisors (579858970).

648077270 is a wasteful number, since it uses less digits than its factorization.

648077270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410959.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 648077270 is about 25457.3618036119. The cubic root of 648077270 is about 865.3841366891.

The spelling of 648077270 in words is "six hundred forty-eight million, seventy-seven thousand, two hundred seventy".