77214118 has 16 divisors (see below), whose sum is σ = 119896704. Its totient is φ = 37255680.

The previous prime is 77214113. The next prime is 77214127. The reversal of 77214118 is 81141277.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 77214118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77214113) 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, 23046 + ... + 26182.

It is an arithmetic number, because the mean of its divisors is an integer number (7493544).

Almost surely, 2^77214118 is an apocalyptic number.

77214118 is a deficient number, since it is larger than the sum of its proper divisors (42682586).

77214118 is a wasteful number, since it uses less digits than its factorization.

77214118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567.

The product of its digits is 3136, while the sum is 31.

The square root of 77214118 is about 8787.1564228708. The cubic root of 77214118 is about 425.8260621058.

The spelling of 77214118 in words is "seventy-seven million, two hundred fourteen thousand, one hundred eighteen".