7490818664 has 128 divisors (see below), whose sum is σ = 17807869440. Its totient is φ = 2878267392.

The previous prime is 7490818651. The next prime is 7490818679. The reversal of 7490818664 is 4668180947.

It is a super-2 number, since 2×7490818664² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6852902 + ... + 6853994.

It is an arithmetic number, because the mean of its divisors is an integer number (139123980).

Almost surely, 2^7490818664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7490818664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8903934720).

7490818664 is an abundant number, since it is smaller than the sum of its proper divisors (10317050776).

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

7490818664 is a wasteful number, since it uses less digits than its factorization.

7490818664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 7490818664 is about 86549.5156774433. The cubic root of 7490818664 is about 1956.6347451986.

The spelling of 7490818664 in words is "seven billion, four hundred ninety million, eight hundred eighteen thousand, six hundred sixty-four".