648737007 has 16 divisors (see below), whose sum is σ = 914434560. Its totient is φ = 407961792.

The previous prime is 648736997. The next prime is 648737027. The reversal of 648737007 is 700737846.

It is not a de Polignac number, because 648737007 - 2¹⁴ = 648720623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 648737007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648737027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11143 + ... + 37704.

It is an arithmetic number, because the mean of its divisors is an integer number (57152160).

Almost surely, 2^648737007 is an apocalyptic number.

648737007 is a deficient number, since it is larger than the sum of its proper divisors (265697553).

648737007 is a wasteful number, since it uses less digits than its factorization.

648737007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49102.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 648737007 is about 25470.3161935615. The cubic root of 648737007 is about 865.6776882647.

The spelling of 648737007 in words is "six hundred forty-eight million, seven hundred thirty-seven thousand, seven".