67375027490 has 32 divisors (see below), whose sum is σ = 125496736560. Its totient is φ = 26012448000.

The previous prime is 67375027457. The next prime is 67375027513. The reversal of 67375027490 is 9472057376.

It is a Cunningham number, because it is equal to 259567²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 13930372729 + 53444654761 = 118027^2 + 231181^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922100 + ... + 992480.

Almost surely, 2^67375027490 is an apocalyptic number.

67375027490 is a deficient number, since it is larger than the sum of its proper divisors (58121709070).

67375027490 is a wasteful number, since it uses less digits than its factorization.

67375027490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73718.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 67375027490 in words is "sixty-seven billion, three hundred seventy-five million, twenty-seven thousand, four hundred ninety".