1047678073 has 4 divisors (see below), whose sum is σ = 1128268708. Its totient is φ = 967087440.

The previous prime is 1047678067. The next prime is 1047678097. The reversal of 1047678073 is 3708767401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3708767401 = 109 ⋅34025389.

It can be written as a sum of positive squares in 2 ways, for example, as 132434064 + 915244009 = 11508^2 + 30253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047678073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047678053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40295298 + ... + 40295323.

It is an arithmetic number, because the mean of its divisors is an integer number (282067177).

Almost surely, 2^1047678073 is an apocalyptic number.

1047678073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1047678073 is a deficient number, since it is larger than the sum of its proper divisors (80590635).

1047678073 is an equidigital number, since it uses as much as digits as its factorization.

1047678073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80590634.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 1047678073 is about 32367.8555514572. The cubic root of 1047678073 is about 1015.6465981212.

The spelling of 1047678073 in words is "one billion, forty-seven million, six hundred seventy-eight thousand, seventy-three".