77434022 has 4 divisors (see below), whose sum is σ = 116151036. Its totient is φ = 38717010.

The previous prime is 77434003. The next prime is 77434037. The reversal of 77434022 is 22043477.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19358504 + ... + 19358507.

It is an arithmetic number, because the mean of its divisors is an integer number (29037759).

Almost surely, 2^77434022 is an apocalyptic number.

77434022 is a deficient number, since it is larger than the sum of its proper divisors (38717014).

77434022 is a wasteful number, since it uses less digits than its factorization.

77434022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38717013.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 77434022 is about 8799.6603343538. The cubic root of 77434022 is about 426.2299265006.

Adding to 77434022 its reverse (22043477), we get a palindrome (99477499).

The spelling of 77434022 in words is "seventy-seven million, four hundred thirty-four thousand, twenty-two".