667272734 has 8 divisors (see below), whose sum is σ = 1044426960. Its totient is φ = 319130416.

The previous prime is 667272733. The next prime is 667272743. The reversal of 667272734 is 437272766.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667272733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7252919 + ... + 7253010.

It is an arithmetic number, because the mean of its divisors is an integer number (130553370).

Almost surely, 2^667272734 is an apocalyptic number.

667272734 is a deficient number, since it is larger than the sum of its proper divisors (377154226).

667272734 is a wasteful number, since it uses less digits than its factorization.

667272734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14505954.

The product of its digits is 592704, while the sum is 44.

The square root of 667272734 is about 25831.6227519682. The cubic root of 667272734 is about 873.8451088478.

The spelling of 667272734 in words is "six hundred sixty-seven million, two hundred seventy-two thousand, seven hundred thirty-four".