77433066 has 12 divisors (see below), whose sum is σ = 167771682. Its totient is φ = 25811016.

The previous prime is 77433061. The next prime is 77433077. The reversal of 77433066 is 66033477.

It can be written as a sum of positive squares in only one way, i.e., 39425841 + 38007225 = 6279^2 + 6165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77433066.

It is not an unprimeable number, because it can be changed into a prime (77433061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2150901 + ... + 2150936.

Almost surely, 2^77433066 is an apocalyptic number.

77433066 is an abundant number, since it is smaller than the sum of its proper divisors (90338616).

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

77433066 is a wasteful number, since it uses less digits than its factorization.

77433066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301845 (or 4301842 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 77433066 is about 8799.6060139077. The cubic root of 77433066 is about 426.2281724159.

The spelling of 77433066 in words is "seventy-seven million, four hundred thirty-three thousand, sixty-six".