7236921648 has 40 divisors (see below), whose sum is σ = 20394962496. Its totient is φ = 2193006400.

The previous prime is 7236921631. The next prime is 7236921683. The reversal of 7236921648 is 8461296327.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 7236921597 and 7236921606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6852618 + ... + 6853673.

Almost surely, 2^7236921648 is an apocalyptic number.

It is an amenable number.

7236921648 is an abundant number, since it is smaller than the sum of its proper divisors (13158040848).

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

7236921648 is a wasteful number, since it uses less digits than its factorization.

7236921648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13706313 (or 13706307 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 7236921648 is about 85070.0984365247. The cubic root of 7236921648 is about 1934.2738339093.

The spelling of 7236921648 in words is "seven billion, two hundred thirty-six million, nine hundred twenty-one thousand, six hundred forty-eight".