77214716 has 24 divisors (see below), whose sum is σ = 138873840. Its totient is φ = 37550592.

The previous prime is 77214673. The next prime is 77214719. The reversal of 77214716 is 61741277.

It is a super-2 number, since 2×77214716² = 11924224733921312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77214719) 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, 21206 + ... + 24578.

It is an arithmetic number, because the mean of its divisors is an integer number (5786410).

Almost surely, 2^77214716 is an apocalyptic number.

It is an amenable number.

77214716 is a deficient number, since it is larger than the sum of its proper divisors (61659124).

77214716 is a wasteful number, since it uses less digits than its factorization.

77214716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533 (or 3531 counting only the distinct ones).

The product of its digits is 16464, while the sum is 35.

The square root of 77214716 is about 8787.1904497399. The cubic root of 77214716 is about 425.8271614010.

The spelling of 77214716 in words is "seventy-seven million, two hundred fourteen thousand, seven hundred sixteen".