773616 has 40 divisors (see below), whose sum is σ = 2035584. Its totient is φ = 253120.

The previous prime is 773611. The next prime is 773657. The reversal of 773616 is 616377.

773616 = T₂₅ + T₂₆ + ... + T₁₆₆.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773611) by changing a digit.

773616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3295 + ... + 3521.

2⁷⁷³⁶¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017792).

773616 is an abundant number, since it is smaller than the sum of its proper divisors (1261968).

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

773616 is a wasteful number, since it uses less digits than its factorization.

773616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 303 counting only the distinct ones).

The product of its digits is 5292, while the sum is 30.

The square root of 773616 is about 879.5544326533. The cubic root of 773616 is about 91.7998167843.

It can be divided in two parts, 77361 and 6, that multiplied together give a triangular number (464166 = T₉₆₃).

The spelling of 773616 in words is "seven hundred seventy-three thousand, six hundred sixteen".