67485437 has 2 divisors, whose sum is σ = 67485438. Its totient is φ = 67485436.

The previous prime is 67485413. The next prime is 67485449. The reversal of 67485437 is 73458476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36893476 + 30591961 = 6074^2 + 5531^2 .

It is a cyclic number.

It is not a de Polignac number, because 67485437 - 2¹⁰ = 67484413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67485487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33742718 + 33742719.

It is an arithmetic number, because the mean of its divisors is an integer number (33742719).

Almost surely, 2^67485437 is an apocalyptic number.

It is an amenable number.

67485437 is a deficient number, since it is larger than the sum of its proper divisors (1).

67485437 is an equidigital number, since it uses as much as digits as its factorization.

67485437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

The square root of 67485437 is about 8214.9520388131. The cubic root of 67485437 is about 407.1333588545.

The spelling of 67485437 in words is "sixty-seven million, four hundred eighty-five thousand, four hundred thirty-seven".