7666470642 has 16 divisors (see below), whose sum is σ = 15336295200. Its totient is φ = 2554931232.

The previous prime is 7666470631. The next prime is 7666470677. The reversal of 7666470642 is 2460746667.

It is a junction number, because it is equal to n+sod(n) for n = 7666470591 and 7666470600.

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, 109528 + ... + 165315.

It is an arithmetic number, because the mean of its divisors is an integer number (958518450).

Almost surely, 2^7666470642 is an apocalyptic number.

7666470642 is an abundant number, since it is smaller than the sum of its proper divisors (7669824558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7666470642 is a wasteful number, since it uses less digits than its factorization.

7666470642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279497.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The square root of 7666470642 is about 87558.3841902076. The cubic root of 7666470642 is about 1971.8104275783.

The spelling of 7666470642 in words is "seven billion, six hundred sixty-six million, four hundred seventy thousand, six hundred forty-two".