45172670 has 8 divisors (see below), whose sum is σ = 81310824. Its totient is φ = 18069064.

The previous prime is 45172669. The next prime is 45172681. The reversal of 45172670 is 7627154.

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

It is a super-2 number, since 2×45172670² = 4081140229857800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2258624 + ... + 2258643.

It is an arithmetic number, because the mean of its divisors is an integer number (10163853).

Almost surely, 2^45172670 is an apocalyptic number.

45172670 is a deficient number, since it is larger than the sum of its proper divisors (36138154).

45172670 is a wasteful number, since it uses less digits than its factorization.

45172670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517274.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 45172670 is about 6721.0616720872. The cubic root of 45172670 is about 356.1436896287.

The spelling of 45172670 in words is "forty-five million, one hundred seventy-two thousand, six hundred seventy".