73778283 has 40 divisors (see below), whose sum is σ = 117873360. Its totient is φ = 45826560.

The previous prime is 73778267. The next prime is 73778293. The reversal of 73778283 is 38287737.

It is not a de Polignac number, because 73778283 - 2⁴ = 73778267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73778213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 180183 + ... + 180591.

It is an arithmetic number, because the mean of its divisors is an integer number (2946834).

Almost surely, 2^73778283 is an apocalyptic number.

73778283 is a deficient number, since it is larger than the sum of its proper divisors (44095077).

73778283 is a wasteful number, since it uses less digits than its factorization.

73778283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 560 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 73778283 is about 8589.4285607367. The cubic root of 73778283 is about 419.4139274664.

The spelling of 73778283 in words is "seventy-three million, seven hundred seventy-eight thousand, two hundred eighty-three".