67448913 has 16 divisors (see below), whose sum is σ = 104720256. Its totient is φ = 37814400.

The previous prime is 67448881. The next prime is 67448921. The reversal of 67448913 is 31984476.

It is not a de Polignac number, because 67448913 - 2⁵ = 67448881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67448923) 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, 29188 + ... + 31413.

It is an arithmetic number, because the mean of its divisors is an integer number (6545016).

Almost surely, 2^67448913 is an apocalyptic number.

It is an amenable number.

67448913 is a deficient number, since it is larger than the sum of its proper divisors (37271343).

67448913 is a wasteful number, since it uses less digits than its factorization.

67448913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60664.

The product of its digits is 145152, while the sum is 42.

The square root of 67448913 is about 8212.7287182763. The cubic root of 67448913 is about 407.0598969694.

The spelling of 67448913 in words is "sixty-seven million, four hundred forty-eight thousand, nine hundred thirteen".