7466667621 has 32 divisors (see below), whose sum is σ = 11453611008. Its totient is φ = 4238300160.

The previous prime is 7466667577. The next prime is 7466667623. The reversal of 7466667621 is 1267666647.

It is not a de Polignac number, because 7466667621 - 2¹¹ = 7466665573 is a prime.

It is a super-2 number, since 2×7466667621² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7466667623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5231710 + ... + 5233136.

It is an arithmetic number, because the mean of its divisors is an integer number (357925344).

Almost surely, 2^7466667621 is an apocalyptic number.

It is an amenable number.

7466667621 is a deficient number, since it is larger than the sum of its proper divisors (3986943387).

7466667621 is a wasteful number, since it uses less digits than its factorization.

7466667621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

The product of its digits is 3048192, while the sum is 51.

The square root of 7466667621 is about 86409.8815009024. The cubic root of 7466667621 is about 1954.5296951088.

The spelling of 7466667621 in words is "seven billion, four hundred sixty-six million, six hundred sixty-seven thousand, six hundred twenty-one".