967738681 has 12 divisors (see below), whose sum is σ = 1212332772. Its totient is φ = 765682848.

The previous prime is 967738679. The next prime is 967738691. The reversal of 967738681 is 186837769.

It can be written as a sum of positive squares in 2 ways, for example, as 245204281 + 722534400 = 15659^2 + 26880^2 .

It is not a de Polignac number, because 967738681 - 2¹ = 967738679 is a prime.

It is a super-2 number, since 2×967738681² = 1873036309407239522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (967738631) 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, 758970 + ... + 760243.

It is an arithmetic number, because the mean of its divisors is an integer number (101027731).

Almost surely, 2^967738681 is an apocalyptic number.

967738681 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

967738681 is the 17961-st hex number.

It is an amenable number.

967738681 is a deficient number, since it is larger than the sum of its proper divisors (244594091).

967738681 is a wasteful number, since it uses less digits than its factorization.

967738681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519240 (or 1519233 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 967738681 is about 31108.4985333590. The cubic root of 967738681 is about 989.1284650306.

The spelling of 967738681 in words is "nine hundred sixty-seven million, seven hundred thirty-eight thousand, six hundred eighty-one".