667233620 has 24 divisors (see below), whose sum is σ = 1431005184. Its totient is φ = 261214496.

The previous prime is 667233607. The next prime is 667233641. The reversal of 667233620 is 26332766.

667233620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353972 + ... + 355851.

It is an arithmetic number, because the mean of its divisors is an integer number (59625216).

Almost surely, 2^667233620 is an apocalyptic number.

It is an amenable number.

667233620 is an abundant number, since it is smaller than the sum of its proper divisors (763771564).

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

667233620 is a wasteful number, since it uses less digits than its factorization.

667233620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709879 (or 709877 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 667233620 is about 25830.8656455799. The cubic root of 667233620 is about 873.8280342476.

The spelling of 667233620 in words is "six hundred sixty-seven million, two hundred thirty-three thousand, six hundred twenty".