7672345621 has 16 divisors (see below), whose sum is σ = 7969328640. Its totient is φ = 7380846720.

The previous prime is 7672345613. The next prime is 7672345627. The reversal of 7672345621 is 1265432767.

It is a cyclic number.

It is not a de Polignac number, because 7672345621 - 2³ = 7672345613 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 (7672345627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4686015 + ... + 4687651.

It is an arithmetic number, because the mean of its divisors is an integer number (498083040).

Almost surely, 2^7672345621 is an apocalyptic number.

It is an amenable number.

7672345621 is a deficient number, since it is larger than the sum of its proper divisors (296983019).

7672345621 is a wasteful number, since it uses less digits than its factorization.

7672345621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its digits is 423360, while the sum is 43.

The square root of 7672345621 is about 87591.9266884797. The cubic root of 7672345621 is about 1972.3139790187.

The spelling of 7672345621 in words is "seven billion, six hundred seventy-two million, three hundred forty-five thousand, six hundred twenty-one".