667302402 has 16 divisors (see below), whose sum is σ = 1437266880. Its totient is φ = 205323792.

The previous prime is 667302359. The next prime is 667302407. The reversal of 667302402 is 204203766.

It is a self number, because there is not a number n which added to its sum of digits gives 667302402.

It is not an unprimeable number, because it can be changed into a prime (667302407) 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 7 ways as a sum of consecutive naturals, for example, 4277502 + ... + 4277657.

It is an arithmetic number, because the mean of its divisors is an integer number (89829180).

Almost surely, 2^667302402 is an apocalyptic number.

667302402 is an abundant number, since it is smaller than the sum of its proper divisors (769964478).

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

667302402 is a wasteful number, since it uses less digits than its factorization.

667302402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555177.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 667302402 is about 25832.1970029651. The cubic root of 667302402 is about 873.8580595006.

The spelling of 667302402 in words is "six hundred sixty-seven million, three hundred two thousand, four hundred two".