7434675621 has 12 divisors (see below), whose sum is σ = 10792943200. Its totient is φ = 4931542440.

The previous prime is 7434675587. The next prime is 7434675629. The reversal of 7434675621 is 1265764347.

7434675621 is a `hidden beast` number, since 7 + 43 + 46 + 7 + 562 + 1 = 666.

It is not a de Polignac number, because 7434675621 - 2¹⁷ = 7434544549 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 (7434675629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2073775 + ... + 2077356.

Almost surely, 2^7434675621 is an apocalyptic number.

It is an amenable number.

7434675621 is a deficient number, since it is larger than the sum of its proper divisors (3358267579).

7434675621 is a wasteful number, since it uses less digits than its factorization.

7434675621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151336 (or 4151333 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 7434675621 is about 86224.5650670388. The cubic root of 7434675621 is about 1951.7342118749.

The spelling of 7434675621 in words is "seven billion, four hundred thirty-four million, six hundred seventy-five thousand, six hundred twenty-one".