67479497 has 2 divisors, whose sum is σ = 67479498. Its totient is φ = 67479496.

The previous prime is 67479479. The next prime is 67479553. The reversal of 67479497 is 79497476.

Together with previous prime (67479479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66406201 + 1073296 = 8149^2 + 1036^2 .

It is a cyclic number.

It is not a de Polignac number, because 67479497 - 2²⁰ = 66430921 is a prime.

It is not a weakly prime, because it can be changed into another prime (67479407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33739748 + 33739749.

It is an arithmetic number, because the mean of its divisors is an integer number (33739749).

Almost surely, 2^67479497 is an apocalyptic number.

It is an amenable number.

67479497 is a deficient number, since it is larger than the sum of its proper divisors (1).

67479497 is an equidigital number, since it uses as much as digits as its factorization.

67479497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 53.

The square root of 67479497 is about 8214.5904949669. The cubic root of 67479497 is about 407.1214133483.

It can be divided in two parts, 67479 and 497, that added together give a palindrome (67976).

The spelling of 67479497 in words is "sixty-seven million, four hundred seventy-nine thousand, four hundred ninety-seven".