7200008 has 8 divisors (see below), whose sum is σ = 13500030. Its totient is φ = 3600000.

The previous prime is 7200007. The next prime is 7200023. The reversal of 7200008 is 8000027.

It can be written as a sum of positive squares in only one way, i.e., 5189284 + 2010724 = 2278^2 + 1418^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7200007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449993 + ... + 450008.

Almost surely, 2^7200008 is an apocalyptic number.

It is an amenable number.

7200008 is a deficient number, since it is larger than the sum of its proper divisors (6300022).

7200008 is a wasteful number, since it uses less digits than its factorization.

7200008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900007 (or 900003 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7200008 is about 2683.2830637113. The cubic root of 7200008 is about 193.0979484388.

It can be divided in two parts, 720000 and 8, that multiplied together give a square (5760000 = 2400²).

The spelling of 7200008 in words is "seven million, two hundred thousand, eight".