72047000057 has 2 divisors, whose sum is σ = 72047000058. Its totient is φ = 72047000056.

The previous prime is 72046999979. The next prime is 72047000107. The reversal of 72047000057 is 75000074027.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70464233401 + 1582766656 = 265451^2 + 39784^2 .

It is an emirp because it is prime and its reverse (75000074027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72047000057 - 2¹² = 72046995961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72046999987 and 72047000032.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36023500028 + 36023500029.

It is an arithmetic number, because the mean of its divisors is an integer number (36023500029).

Almost surely, 2^72047000057 is an apocalyptic number.

It is an amenable number.

72047000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

72047000057 is an equidigital number, since it uses as much as digits as its factorization.

72047000057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13720, while the sum is 32.

The spelling of 72047000057 in words is "seventy-two billion, forty-seven million, fifty-seven", and thus it is an aban number and an uban number.