7201368864 has 72 divisors (see below), whose sum is σ = 20660215212. Its totient is φ = 2379202560.

The previous prime is 7201368833. The next prime is 7201368877. The reversal of 7201368864 is 4688631027.

7201368864 is a `hidden beast` number, since 7 + 201 + 368 + 86 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5027944464 + 2173424400 = 70908^2 + 46620^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78097 + ... + 143184.

Almost surely, 2^7201368864 is an apocalyptic number.

It is an amenable number.

7201368864 is an abundant number, since it is smaller than the sum of its proper divisors (13458846348).

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

7201368864 is a wasteful number, since it uses less digits than its factorization.

7201368864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221410 (or 221399 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 7201368864 is about 84860.8794675144. The cubic root of 7201368864 is about 1931.1011340181.

It can be divided in two parts, 720136 and 8864, that added together give a cube (729000 = 90³).

The spelling of 7201368864 in words is "seven billion, two hundred one million, three hundred sixty-eight thousand, eight hundred sixty-four".