77172714 has 12 divisors (see below), whose sum is σ = 167207586. Its totient is φ = 25724232.

The previous prime is 77172709. The next prime is 77172727. The reversal of 77172714 is 41727177.

It can be written as a sum of positive squares in only one way, i.e., 43125489 + 34047225 = 6567^2 + 5835^2 .

It is a super-2 number, since 2×77172714² = 11911255572251592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2143669 + ... + 2143704.

Almost surely, 2^77172714 is an apocalyptic number.

77172714 is an abundant number, since it is smaller than the sum of its proper divisors (90034872).

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

77172714 is a wasteful number, since it uses less digits than its factorization.

77172714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287381 (or 4287378 counting only the distinct ones).

The product of its digits is 19208, while the sum is 36.

The square root of 77172714 is about 8784.8001684728. The cubic root of 77172714 is about 425.7499358954.

The spelling of 77172714 in words is "seventy-seven million, one hundred seventy-two thousand, seven hundred fourteen".