648015472 has 40 divisors (see below), whose sum is σ = 1354132080. Its totient is φ = 298636800.

The previous prime is 648015457. The next prime is 648015479. The reversal of 648015472 is 274510846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648015479) 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, 166347 + ... + 170197.

It is an arithmetic number, because the mean of its divisors is an integer number (33853302).

Almost surely, 2^648015472 is an apocalyptic number.

It is an amenable number.

648015472 is an abundant number, since it is smaller than the sum of its proper divisors (706116608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648015472 is a wasteful number, since it uses less digits than its factorization.

648015472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681 (or 4675 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 648015472 is about 25456.1480196828. The cubic root of 648015472 is about 865.3566293165.

It can be divided in two parts, 6480 and 15472, that added together give a cube (21952 = 28³).

The spelling of 648015472 in words is "six hundred forty-eight million, fifteen thousand, four hundred seventy-two".