7290648 has 40 divisors (see below), whose sum is σ = 20422380. Its totient is φ = 2430000.

The previous prime is 7290643. The next prime is 7290653. The reversal of 7290648 is 8460927.

7290648 is a `hidden beast` number, since 7 + 2 + 9 + 0 + 648 = 666.

It is an interprime number because it is at equal distance from previous prime (7290643) and next prime (7290653).

It is a super-3 number, since 3×7290648³ (a number of 22 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7290641) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4978 + ... + 6273.

Almost surely, 2^7290648 is an apocalyptic number.

It is an amenable number.

7290648 is an abundant number, since it is smaller than the sum of its proper divisors (13131732).

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

7290648 is a wasteful number, since it uses less digits than its factorization.

7290648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269 (or 11256 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7290648 is about 2700.1199973335. The cubic root of 7290648 is about 193.9048670918.

The spelling of 7290648 in words is "seven million, two hundred ninety thousand, six hundred forty-eight".