77434214 has 16 divisors (see below), whose sum is σ = 136458000. Its totient is φ = 32489760.

The previous prime is 77434211. The next prime is 77434223. The reversal of 77434214 is 41243477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77434211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135089 + ... + 135660.

It is an arithmetic number, because the mean of its divisors is an integer number (8528625).

Almost surely, 2^77434214 is an apocalyptic number.

77434214 is a deficient number, since it is larger than the sum of its proper divisors (59023786).

77434214 is a wasteful number, since it uses less digits than its factorization.

77434214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270775.

The product of its digits is 18816, while the sum is 32.

The square root of 77434214 is about 8799.6712438591. The cubic root of 77434214 is about 426.2302787836.

The spelling of 77434214 in words is "seventy-seven million, four hundred thirty-four thousand, two hundred fourteen".