7464412621 has 4 divisors (see below), whose sum is σ = 7514509500. Its totient is φ = 7414315744.

The previous prime is 7464412603. The next prime is 7464412639. The reversal of 7464412621 is 1262144647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1262144647 = 7351 ⋅171697.

It is an interprime number because it is at equal distance from previous prime (7464412603) and next prime (7464412639).

It can be written as a sum of positive squares in 2 ways, for example, as 4393701225 + 3070711396 = 66285^2 + 55414^2 .

It is a cyclic number.

It is not a de Polignac number, because 7464412621 - 2⁷ = 7464412493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7464412601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25048216 + ... + 25048513.

It is an arithmetic number, because the mean of its divisors is an integer number (1878627375).

Almost surely, 2^7464412621 is an apocalyptic number.

It is an amenable number.

7464412621 is a deficient number, since it is larger than the sum of its proper divisors (50096879).

7464412621 is a wasteful number, since it uses less digits than its factorization.

7464412621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50096878.

The product of its digits is 64512, while the sum is 37.

The square root of 7464412621 is about 86396.8322393825. The cubic root of 7464412621 is about 1954.3329135163.

The spelling of 7464412621 in words is "seven billion, four hundred sixty-four million, four hundred twelve thousand, six hundred twenty-one".