667464045 has 8 divisors (see below), whose sum is σ = 1067942496. Its totient is φ = 355980816.

The previous prime is 667464037. The next prime is 667464073. The reversal of 667464045 is 540464766.

It is a happy number.

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

It is not a de Polignac number, because 667464045 - 2³ = 667464037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667463988 and 667464006.

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, 22248787 + ... + 22248816.

It is an arithmetic number, because the mean of its divisors is an integer number (133492812).

Almost surely, 2^667464045 is an apocalyptic number.

It is an amenable number.

667464045 is a deficient number, since it is larger than the sum of its proper divisors (400478451).

667464045 is a wasteful number, since it uses less digits than its factorization.

667464045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44497611.

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 667464045 is about 25835.3255253345. The cubic root of 667464045 is about 873.9286130377.

The spelling of 667464045 in words is "six hundred sixty-seven million, four hundred sixty-four thousand, forty-five".