7620413 has 4 divisors (see below), whose sum is σ = 7667328. Its totient is φ = 7573500.

The previous prime is 7620407. The next prime is 7620421. The reversal of 7620413 is 3140267.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3140267 = 13 ⋅241559.

It is a cyclic number.

It is not a de Polignac number, because 7620413 - 2¹⁰ = 7619389 is a prime.

It is a super-3 number, since 3×7620413³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7620443) 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 3 ways as a sum of consecutive naturals, for example, 23213 + ... + 23538.

It is an arithmetic number, because the mean of its divisors is an integer number (1916832).

Almost surely, 2^7620413 is an apocalyptic number.

It is an amenable number.

7620413 is a deficient number, since it is larger than the sum of its proper divisors (46915).

7620413 is a wasteful number, since it uses less digits than its factorization.

7620413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46914.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 7620413 is about 2760.5095544120. The cubic root of 7620413 is about 196.7853830139.

The spelling of 7620413 in words is "seven million, six hundred twenty thousand, four hundred thirteen".