7461648 has 30 divisors (see below), whose sum is σ = 20882654. Its totient is φ = 2487168.

The previous prime is 7461647. The next prime is 7461653. The reversal of 7461648 is 8461647.

7461648 is a `hidden beast` number, since 7 + 4 + 6 + 1 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5992704 + 1468944 = 2448^2 + 1212^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7461647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25765 + ... + 26052.

Almost surely, 2^7461648 is an apocalyptic number.

It is an amenable number.

7461648 is an abundant number, since it is smaller than the sum of its proper divisors (13421006).

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

7461648 is a wasteful number, since it uses less digits than its factorization.

7461648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51831 (or 51822 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 7461648 is about 2731.6017279245. The cubic root of 7461648 is about 195.4091605983.

Subtracting 7461648 from its reverse (8461647), we obtain a palindrome (999999).

The spelling of 7461648 in words is "seven million, four hundred sixty-one thousand, six hundred forty-eight".