7455401 has 8 divisors (see below), whose sum is σ = 7965864. Its totient is φ = 6952960.

The previous prime is 7455379. The next prime is 7455431. The reversal of 7455401 is 1045547.

It can be written as a sum of positive squares in 4 ways, for example, as 570025 + 6885376 = 755^2 + 2624^2 .

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 7455401 - 2¹⁸ = 7193257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7455431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (995733).

Almost surely, 2^7455401 is an apocalyptic number.

It is an amenable number.

7455401 is a deficient number, since it is larger than the sum of its proper divisors (510463).

7455401 is a wasteful number, since it uses less digits than its factorization.

7455401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 7455401 is about 2730.4580201864. The cubic root of 7455401 is about 195.3546122441.

The spelling of 7455401 in words is "seven million, four hundred fifty-five thousand, four hundred one".