400672673 has 8 divisors (see below), whose sum is σ = 418706496. Its totient is φ = 382690000.

The previous prime is 400672669. The next prime is 400672693. The reversal of 400672673 is 376276004.

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

It is a cyclic number.

It is not a de Polignac number, because 400672673 - 2² = 400672669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400672693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3698 + ... + 28548.

It is an arithmetic number, because the mean of its divisors is an integer number (52338312).

Almost surely, 2^400672673 is an apocalyptic number.

It is an amenable number.

400672673 is a deficient number, since it is larger than the sum of its proper divisors (18033823).

400672673 is a wasteful number, since it uses less digits than its factorization.

400672673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25575.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 400672673 is about 20016.8097607985. The cubic root of 400672673 is about 737.2190931720.

The spelling of 400672673 in words is "four hundred million, six hundred seventy-two thousand, six hundred seventy-three".