7464421 has 2 divisors, whose sum is σ = 7464422. Its totient is φ = 7464420.

The previous prime is 7464409. The next prime is 7464433. The reversal of 7464421 is 1244647.

It is a balanced prime because it is at equal distance from previous prime (7464409) and next prime (7464433).

It can be written as a sum of positive squares in only one way, i.e., 4536900 + 2927521 = 2130^2 + 1711^2 .

It is an emirp because it is prime and its reverse (1244647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7464421 - 2⁷ = 7464293 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7464421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7464461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3732210 + 3732211.

It is an arithmetic number, because the mean of its divisors is an integer number (3732211).

Almost surely, 2^7464421 is an apocalyptic number.

It is an amenable number.

7464421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7464421 is an equidigital number, since it uses as much as digits as its factorization.

7464421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 7464421 is about 2732.1092584302. The cubic root of 7464421 is about 195.4333644779.

The spelling of 7464421 in words is "seven million, four hundred sixty-four thousand, four hundred twenty-one".