84747037 has 2 divisors, whose sum is σ = 84747038. Its totient is φ = 84747036.

The previous prime is 84747031. The next prime is 84747059. The reversal of 84747037 is 73074748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62900761 + 21846276 = 7931^2 + 4674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84747037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84747031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42373518 + 42373519.

It is an arithmetic number, because the mean of its divisors is an integer number (42373519).

Almost surely, 2^84747037 is an apocalyptic number.

It is an amenable number.

84747037 is a deficient number, since it is larger than the sum of its proper divisors (1).

84747037 is an equidigital number, since it uses as much as digits as its factorization.

84747037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 84747037 is about 9205.8153902846. The cubic root of 84747037 is about 439.2463631364.

The spelling of 84747037 in words is "eighty-four million, seven hundred forty-seven thousand, thirty-seven".