67481403 has 16 divisors (see below), whose sum is σ = 98292096. Its totient is φ = 40840640.

The previous prime is 67481371. The next prime is 67481413. The reversal of 67481403 is 30418476.

It is a cyclic number.

It is not a de Polignac number, because 67481403 - 2⁵ = 67481371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (67481413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46375 + ... + 47807.

It is an arithmetic number, because the mean of its divisors is an integer number (6143256).

Almost surely, 2^67481403 is an apocalyptic number.

67481403 is a deficient number, since it is larger than the sum of its proper divisors (30810693).

67481403 is a wasteful number, since it uses less digits than its factorization.

67481403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 67481403 is about 8214.7065072344. The cubic root of 67481403 is about 407.1252464440.

Adding to 67481403 its reverse (30418476), we get a palindrome (97899879).

The spelling of 67481403 in words is "sixty-seven million, four hundred eighty-one thousand, four hundred three".