6401073 has 8 divisors (see below), whose sum is σ = 9754048. Its totient is φ = 3657744.

The previous prime is 6401069. The next prime is 6401093. The reversal of 6401073 is 3701046.

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

It is not a de Polignac number, because 6401073 - 2² = 6401069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 304813 = 6401073 / (6 + 4 + 0 + 1 + 0 + 7 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6401033) 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, 152386 + ... + 152427.

It is an arithmetic number, because the mean of its divisors is an integer number (1219256).

Almost surely, 2^6401073 is an apocalyptic number.

It is an amenable number.

6401073 is a deficient number, since it is larger than the sum of its proper divisors (3352975).

6401073 is a wasteful number, since it uses less digits than its factorization.

6401073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304823.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 6401073 is about 2530.0341894923. The cubic root of 6401073 is about 185.6739286497.

The spelling of 6401073 in words is "six million, four hundred one thousand, seventy-three".