84737413 has 2 divisors, whose sum is σ = 84737414. Its totient is φ = 84737412.

The previous prime is 84737351. The next prime is 84737417. The reversal of 84737413 is 31473748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74356129 + 10381284 = 8623^2 + 3222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84737413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84737417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42368706 + 42368707.

It is an arithmetic number, because the mean of its divisors is an integer number (42368707).

Almost surely, 2^84737413 is an apocalyptic number.

It is an amenable number.

84737413 is a deficient number, since it is larger than the sum of its proper divisors (1).

84737413 is an equidigital number, since it uses as much as digits as its factorization.

84737413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 84737413 is about 9205.2926623764. The cubic root of 84737413 is about 439.2297353494.

The spelling of 84737413 in words is "eighty-four million, seven hundred thirty-seven thousand, four hundred thirteen".