67432403 has 2 divisors, whose sum is σ = 67432404. Its totient is φ = 67432402.

The previous prime is 67432397. The next prime is 67432423. The reversal of 67432403 is 30423476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67432403 - 2⁸ = 67432147 is a prime.

It is not a weakly prime, because it can be changed into another prime (67432423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33716201 + 33716202.

It is an arithmetic number, because the mean of its divisors is an integer number (33716202).

Almost surely, 2^67432403 is an apocalyptic number.

67432403 is a deficient number, since it is larger than the sum of its proper divisors (1).

67432403 is an equidigital number, since it uses as much as digits as its factorization.

67432403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 67432403 is about 8211.7235097146. The cubic root of 67432403 is about 407.0266811768.

Adding to 67432403 its reverse (30423476), we get a palindrome (97855879).

The spelling of 67432403 in words is "sixty-seven million, four hundred thirty-two thousand, four hundred three".