7361421 has 8 divisors (see below), whose sum is σ = 9887424. Its totient is φ = 4871520.

The previous prime is 7361413. The next prime is 7361423. The reversal of 7361421 is 1241637.

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

It is not a de Polignac number, because 7361421 - 2³ = 7361413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7361391 and 7361400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7361423) 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, 8545 + ... + 9366.

It is an arithmetic number, because the mean of its divisors is an integer number (1235928).

Almost surely, 2^7361421 is an apocalyptic number.

It is an amenable number.

7361421 is a deficient number, since it is larger than the sum of its proper divisors (2526003).

7361421 is a wasteful number, since it uses less digits than its factorization.

7361421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18051.

The product of its digits is 1008, while the sum is 24.

The square root of 7361421 is about 2713.1938743849. The cubic root of 7361421 is about 194.5302829955.

The spelling of 7361421 in words is "seven million, three hundred sixty-one thousand, four hundred twenty-one".