7249987008 has 504 divisors, whose sum is σ = 25137861840. Its totient is φ = 1986969600.

The previous prime is 7249986983. The next prime is 7249987079. The reversal of 7249987008 is 8007899427.

7249987008 is a `hidden beast` number, since 72 + 499 + 87 + 0 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34360023 + ... + 34360233.

It is an arithmetic number, because the mean of its divisors is an integer number (49876710).

Almost surely, 2^7249987008 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 7249987008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12568930920).

7249987008 is an abundant number, since it is smaller than the sum of its proper divisors (17887874832).

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

7249987008 is a wasteful number, since it uses less digits than its factorization.

7249987008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 7249987008 is about 85146.8555379469. The cubic root of 7249987008 is about 1935.4371642114.

The spelling of 7249987008 in words is "seven billion, two hundred forty-nine million, nine hundred eighty-seven thousand, eight".