67505049 has 8 divisors (see below), whose sum is σ = 100007520. Its totient is φ = 45003348.

The previous prime is 67505047. The next prime is 67505051. The reversal of 67505049 is 94050576.

It is an interprime number because it is at equal distance from previous prime (67505047) and next prime (67505051).

It is not a de Polignac number, because 67505049 - 2¹ = 67505047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67505047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250067 + ... + 1250120.

It is an arithmetic number, because the mean of its divisors is an integer number (12500940).

Almost surely, 2^67505049 is an apocalyptic number.

It is an amenable number.

67505049 is a deficient number, since it is larger than the sum of its proper divisors (32502471).

67505049 is a wasteful number, since it uses less digits than its factorization.

67505049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500196 (or 2500190 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 67505049 is about 8216.1456291865. The cubic root of 67505049 is about 407.1727941580.

The spelling of 67505049 in words is "sixty-seven million, five hundred five thousand, forty-nine".