772116073 has 4 divisors (see below), whose sum is σ = 772171648. Its totient is φ = 772060500.

The previous prime is 772116071. The next prime is 772116077. The reversal of 772116073 is 370611277.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 370611277 = 37 ⋅10016521.

It is a cyclic number.

It is not a de Polignac number, because 772116073 - 2¹ = 772116071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772116071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13840 + ... + 41662.

It is an arithmetic number, because the mean of its divisors is an integer number (193042912).

Almost surely, 2^772116073 is an apocalyptic number.

It is an amenable number.

772116073 is a deficient number, since it is larger than the sum of its proper divisors (55575).

772116073 is a wasteful number, since it uses less digits than its factorization.

772116073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55574.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 772116073 is about 27786.9766797325. The cubic root of 772116073 is about 917.4044964406.

The spelling of 772116073 in words is "seven hundred seventy-two million, one hundred sixteen thousand, seventy-three".