623072906 has 8 divisors (see below), whose sum is σ = 964758144. Its totient is φ = 301486860.

The previous prime is 623072903. The next prime is 623072959. The reversal of 623072906 is 609270326.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (623072903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5024720 + ... + 5024843.

It is an arithmetic number, because the mean of its divisors is an integer number (120594768).

Almost surely, 2^623072906 is an apocalyptic number.

623072906 is a deficient number, since it is larger than the sum of its proper divisors (341685238).

623072906 is a wasteful number, since it uses less digits than its factorization.

623072906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10049596.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 623072906 is about 24961.4283645788. The cubic root of 623072906 is about 854.1083261279.

The spelling of 623072906 in words is "six hundred twenty-three million, seventy-two thousand, nine hundred six".