906720002 has 16 divisors (see below), whose sum is σ = 1430912952. Its totient is φ = 430346880.

The previous prime is 906719999. The next prime is 906720011. The reversal of 906720002 is 200027609.

It can be written as a sum of positive squares in 4 ways, for example, as 858431401 + 48288601 = 29299^2 + 6949^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146393 + ... + 152460.

Almost surely, 2^906720002 is an apocalyptic number.

906720002 is a deficient number, since it is larger than the sum of its proper divisors (524192950).

906720002 is a wasteful number, since it uses less digits than its factorization.

906720002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298933.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 906720002 is about 30111.7917434350. The cubic root of 906720002 is about 967.8864250158.

The spelling of 906720002 in words is "nine hundred six million, seven hundred twenty thousand, two".