67148397 has 12 divisors (see below), whose sum is σ = 97073340. Its totient is φ = 44728128.

The previous prime is 67148359. The next prime is 67148443. The reversal of 67148397 is 79384176.

It can be written as a sum of positive squares in 2 ways, for example, as 45887076 + 21261321 = 6774^2 + 4611^2 .

It is not a de Polignac number, because 67148397 - 2⁷ = 67148269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67148197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12163 + ... + 16799.

It is an arithmetic number, because the mean of its divisors is an integer number (8089445).

Almost surely, 2^67148397 is an apocalyptic number.

It is an amenable number.

67148397 is a deficient number, since it is larger than the sum of its proper divisors (29924943).

67148397 is a wasteful number, since it uses less digits than its factorization.

67148397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252 (or 6249 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 67148397 is about 8194.4125475839. The cubic root of 67148397 is about 406.4544504002.

The spelling of 67148397 in words is "sixty-seven million, one hundred forty-eight thousand, three hundred ninety-seven".