648379070 has 16 divisors (see below), whose sum is σ = 1181856960. Its totient is φ = 256068384.

The previous prime is 648379063. The next prime is 648379073. The reversal of 648379070 is 70973846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648379073) 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, 409577 + ... + 411156.

It is an arithmetic number, because the mean of its divisors is an integer number (73866060).

Almost surely, 2^648379070 is an apocalyptic number.

648379070 is a deficient number, since it is larger than the sum of its proper divisors (533477890).

648379070 is a wasteful number, since it uses less digits than its factorization.

648379070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820819.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 648379070 is about 25463.2886721256. The cubic root of 648379070 is about 865.5184480403.

The spelling of 648379070 in words is "six hundred forty-eight million, three hundred seventy-nine thousand, seventy".