773138 has 4 divisors (see below), whose sum is σ = 1159710. Its totient is φ = 386568.

The previous prime is 773117. The next prime is 773147. The reversal of 773138 is 831377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831377 = 641 ⋅1297.

It can be written as a sum of positive squares in only one way, i.e., 582169 + 190969 = 763^2 + 437^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 773138.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 773138.

It is an unprimeable number.

773138 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 as a sum of consecutive naturals, namely, 193283 + ... + 193286.

2⁷⁷³¹³⁸ is an apocalyptic number.

773138 is a deficient number, since it is larger than the sum of its proper divisors (386572).

773138 is a wasteful number, since it uses less digits than its factorization.

773138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386571.

The product of its digits is 3528, while the sum is 29.

The square root of 773138 is about 879.2826621741. The cubic root of 773138 is about 91.7809058719.

The spelling of 773138 in words is "seven hundred seventy-three thousand, one hundred thirty-eight".