67769652690 has 24 divisors (see below), whose sum is σ = 176201097228. Its totient is φ = 18071907360.

The previous prime is 67769652667. The next prime is 67769652749. The reversal of 67769652690 is 9625696776.

It can be written as a sum of positive squares in 2 ways, for example, as 66485075409 + 1284577281 = 257847^2 + 35841^2 .

It is a super-2 number, since 2×67769652690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376497981 + ... + 376498160.

Almost surely, 2^67769652690 is an apocalyptic number.

67769652690 is an abundant number, since it is smaller than the sum of its proper divisors (108431444538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67769652690 is a wasteful number, since it uses less digits than its factorization.

67769652690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752996154 (or 752996151 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 67769652690 in words is "sixty-seven billion, seven hundred sixty-nine million, six hundred fifty-two thousand, six hundred ninety".