7640412205 has 8 divisors (see below), whose sum is σ = 9567124992. Its totient is φ = 5846576208.

The previous prime is 7640412173. The next prime is 7640412253. The reversal of 7640412205 is 5022140467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7640412205 - 2⁵ = 7640412173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33219069 + ... + 33219298.

It is an arithmetic number, because the mean of its divisors is an integer number (1195890624).

Almost surely, 2^7640412205 is an apocalyptic number.

It is an amenable number.

7640412205 is a deficient number, since it is larger than the sum of its proper divisors (1926712787).

7640412205 is a wasteful number, since it uses less digits than its factorization.

7640412205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66438395.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 7640412205 is about 87409.4514626422. The cubic root of 7640412205 is about 1969.5738215066.

The spelling of 7640412205 in words is "seven billion, six hundred forty million, four hundred twelve thousand, two hundred five".