400073667 has 8 divisors (see below), whose sum is σ = 609636096. Its totient is φ = 228613512.

The previous prime is 400073623. The next prime is 400073741. The reversal of 400073667 is 766370004.

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

It is not a de Polignac number, because 400073667 - 2⁷ = 400073539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400073467) 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, 9525543 + ... + 9525584.

It is an arithmetic number, because the mean of its divisors is an integer number (76204512).

Almost surely, 2^400073667 is an apocalyptic number.

400073667 is a deficient number, since it is larger than the sum of its proper divisors (209562429).

400073667 is a wasteful number, since it uses less digits than its factorization.

400073667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19051137.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 400073667 is about 20001.8415902136. The cubic root of 400073667 is about 736.8515288763.

The spelling of 400073667 in words is "four hundred million, seventy-three thousand, six hundred sixty-seven".