7421732066 has 16 divisors (see below), whose sum is σ = 12724750080. Its totient is φ = 3180297120.

The previous prime is 7421732057. The next prime is 7421732081. The reversal of 7421732066 is 6602371247.

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, 79031 + ... + 145221.

It is an arithmetic number, because the mean of its divisors is an integer number (795296880).

Almost surely, 2^7421732066 is an apocalyptic number.

7421732066 is a deficient number, since it is larger than the sum of its proper divisors (5303018014).

7421732066 is a wasteful number, since it uses less digits than its factorization.

7421732066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74209.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 7421732066 is about 86149.4751347912. The cubic root of 7421732066 is about 1950.6009163572.

The spelling of 7421732066 in words is "seven billion, four hundred twenty-one million, seven hundred thirty-two thousand, sixty-six".