7298684640 has 288 divisors, whose sum is σ = 27690114816. Its totient is φ = 1738506240.

The previous prime is 7298684629. The next prime is 7298684651. The reversal of 7298684640 is 464868927.

It is an interprime number because it is at equal distance from previous prime (7298684629) and next prime (7298684651).

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 574032 + ... + 586608.

It is an arithmetic number, because the mean of its divisors is an integer number (96146232).

Almost surely, 2^7298684640 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 7298684640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13845057408).

7298684640 is an abundant number, since it is smaller than the sum of its proper divisors (20391430176).

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

7298684640 is a wasteful number, since it uses less digits than its factorization.

7298684640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12642 (or 12631 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 7298684640 is about 85432.3395442265. The cubic root of 7298684640 is about 1939.7608944695.

The spelling of 7298684640 in words is "seven billion, two hundred ninety-eight million, six hundred eighty-four thousand, six hundred forty".