7138417 has 8 divisors (see below), whose sum is σ = 8386560. Its totient is φ = 5990160.

The previous prime is 7138409. The next prime is 7138489. The reversal of 7138417 is 7148317.

7138417 = 449² + 450² + ... + 481².

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

It is not a de Polignac number, because 7138417 - 2³ = 7138409 is a prime.

It is an Ulam number.

7138417 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7138217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24817 + ... + 25102.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^7138417 is an apocalyptic number.

It is an amenable number.

7138417 is a deficient number, since it is larger than the sum of its proper divisors (1248143).

7138417 is a wasteful number, since it uses less digits than its factorization.

7138417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49943.

The product of its digits is 4704, while the sum is 31.

The square root of 7138417 is about 2671.7816153271. The cubic root of 7138417 is about 192.5457652475.

The spelling of 7138417 in words is "seven million, one hundred thirty-eight thousand, four hundred seventeen".