312448773 has 32 divisors (see below), whose sum is σ = 514080000. Its totient is φ = 164376576.

The previous prime is 312448739. The next prime is 312448781. The reversal of 312448773 is 377844213.

It is not a de Polignac number, because 312448773 - 2¹⁰ = 312447749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312448733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121303 + ... + 123851.

It is an arithmetic number, because the mean of its divisors is an integer number (16065000).

Almost surely, 2^312448773 is an apocalyptic number.

It is an amenable number.

312448773 is a deficient number, since it is larger than the sum of its proper divisors (201631227).

312448773 is a wasteful number, since it uses less digits than its factorization.

312448773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021.

The product of its digits is 112896, while the sum is 39.

The square root of 312448773 is about 17676.2205519166. The cubic root of 312448773 is about 678.5673217301.

The spelling of 312448773 in words is "three hundred twelve million, four hundred forty-eight thousand, seven hundred seventy-three".