7406401 has 8 divisors (see below), whose sum is σ = 7770240. Its totient is φ = 7051248.

The previous prime is 7406387. The next prime is 7406411. The reversal of 7406401 is 1046047.

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 7406401 - 2¹⁵ = 7373633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7406411) 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, 391 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (971280).

Almost surely, 2^7406401 is an apocalyptic number.

It is an amenable number.

7406401 is a deficient number, since it is larger than the sum of its proper divisors (363839).

7406401 is a wasteful number, since it uses less digits than its factorization.

7406401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7406401 is about 2721.4703746321. The cubic root of 7406401 is about 194.9256872217.

The spelling of 7406401 in words is "seven million, four hundred six thousand, four hundred one".