667333392 has 120 divisors (see below), whose sum is σ = 1917689760. Its totient is φ = 199795200.

The previous prime is 667333391. The next prime is 667333393. The reversal of 667333392 is 293333766.

It is an interprime number because it is at equal distance from previous prime (667333391) and next prime (667333393).

It is not an unprimeable number, because it can be changed into a prime (667333391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516267 + ... + 517557.

It is an arithmetic number, because the mean of its divisors is an integer number (15980748).

Almost surely, 2^667333392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667333392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (958844880).

667333392 is an abundant number, since it is smaller than the sum of its proper divisors (1250356368).

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

667333392 is a wasteful number, since it uses less digits than its factorization.

667333392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1396 counting only the distinct ones).

The product of its digits is 367416, while the sum is 42.

The square root of 667333392 is about 25832.7968288376. The cubic root of 667333392 is about 873.8715868219.

It can be divided in two parts, 66733 and 3392, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 667333392 in words is "six hundred sixty-seven million, three hundred thirty-three thousand, three hundred ninety-two".