7401009 has 48 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 3659040.

The previous prime is 7400993. The next prime is 7401041. The reversal of 7401009 is 9001047.

It is not a de Polignac number, because 7401009 - 2⁴ = 7400993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (7401049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37092 + ... + 37290.

It is an arithmetic number, because the mean of its divisors is an integer number (273600).

Almost surely, 2^7401009 is an apocalyptic number.

It is an amenable number.

7401009 is a deficient number, since it is larger than the sum of its proper divisors (5731791).

7401009 is a wasteful number, since it uses less digits than its factorization.

7401009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 7401009 is about 2720.4795533141. The cubic root of 7401009 is about 194.8783725422.

The spelling of 7401009 in words is "seven million, four hundred one thousand, nine".