72770714 has 4 divisors (see below), whose sum is σ = 109156074. Its totient is φ = 36385356.

The previous prime is 72770699. The next prime is 72770717. The reversal of 72770714 is 41707727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41707727 = 1303 ⋅32009.

It can be written as a sum of positive squares in only one way, i.e., 71487025 + 1283689 = 8455^2 + 1133^2 .

It is not an unprimeable number, because it can be changed into a prime (72770717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18192677 + ... + 18192680.

Almost surely, 2^72770714 is an apocalyptic number.

72770714 is a deficient number, since it is larger than the sum of its proper divisors (36385360).

72770714 is a wasteful number, since it uses less digits than its factorization.

72770714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36385359.

The product of its (nonzero) digits is 19208, while the sum is 35.

The square root of 72770714 is about 8530.5752443783. The cubic root of 72770714 is about 417.4958972669.

The spelling of 72770714 in words is "seventy-two million, seven hundred seventy thousand, seven hundred fourteen".