7400001 has 8 divisors (see below), whose sum is σ = 11276224. Its totient is φ = 4228560.

The previous prime is 7399993. The next prime is 7400011. The reversal of 7400001 is 1000047.

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

It is not a de Polignac number, because 7400001 - 2³ = 7399993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7400001.

It is not an unprimeable number, because it can be changed into a prime (7400011) 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, 176170 + ... + 176211.

It is an arithmetic number, because the mean of its divisors is an integer number (1409528).

Almost surely, 2^7400001 is an apocalyptic number.

It is an amenable number.

7400001 is a deficient number, since it is larger than the sum of its proper divisors (3876223).

7400001 is a wasteful number, since it uses less digits than its factorization.

7400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352391.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 7400001 is about 2720.2942855507. The cubic root of 7400001 is about 194.8695248154.

Adding to 7400001 its reverse (1000047), we get a palindrome (8400048).

The spelling of 7400001 in words is "seven million, four hundred thousand, one".