7732166642 has 4 divisors (see below), whose sum is σ = 11598249966. Its totient is φ = 3866083320.

The previous prime is 7732166623. The next prime is 7732166683. The reversal of 7732166642 is 2466612377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2466612377 = 2003 ⋅1231459.

It can be written as a sum of positive squares in only one way, i.e., 7459949641 + 272217001 = 86371^2 + 16499^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7732166593 and 7732166602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933041659 + ... + 1933041662.

Almost surely, 2^7732166642 is an apocalyptic number.

7732166642 is a deficient number, since it is larger than the sum of its proper divisors (3866083324).

7732166642 is a wasteful number, since it uses less digits than its factorization.

7732166642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866083323.

The product of its digits is 508032, while the sum is 44.

The square root of 7732166642 is about 87932.7393068134. The cubic root of 7732166642 is about 1977.4267358953.

The spelling of 7732166642 in words is "seven billion, seven hundred thirty-two million, one hundred sixty-six thousand, six hundred forty-two".