7661032379 has 32 divisors (see below), whose sum is σ = 10309264896. Its totient is φ = 5498046720.

The previous prime is 7661032369. The next prime is 7661032391. The reversal of 7661032379 is 9732301667.

It is a cyclic number.

It is not a de Polignac number, because 7661032379 - 2⁴ = 7661032363 is a prime.

It is a super-2 number, since 2×7661032379² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7661032339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449084 + ... + 465830.

It is an arithmetic number, because the mean of its divisors is an integer number (322164528).

Almost surely, 2^7661032379 is an apocalyptic number.

7661032379 is a deficient number, since it is larger than the sum of its proper divisors (2648232517).

7661032379 is a wasteful number, since it uses less digits than its factorization.

7661032379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17235.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 7661032379 is about 87527.3236138293. The cubic root of 7661032379 is about 1971.3440782536.

The spelling of 7661032379 in words is "seven billion, six hundred sixty-one million, thirty-two thousand, three hundred seventy-nine".