76969031 has 2 divisors, whose sum is σ = 76969032. Its totient is φ = 76969030.

The previous prime is 76969027. The next prime is 76969121. The reversal of 76969031 is 13096967.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76969031 - 2² = 76969027 is a prime.

It is a super-2 number, since 2×76969031² = 11848463466157922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76969031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76969331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38484515 + 38484516.

It is an arithmetic number, because the mean of its divisors is an integer number (38484516).

Almost surely, 2^76969031 is an apocalyptic number.

76969031 is a deficient number, since it is larger than the sum of its proper divisors (1).

76969031 is an equidigital number, since it uses as much as digits as its factorization.

76969031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 76969031 is about 8773.1995873797. The cubic root of 76969031 is about 425.3750433383.

Subtracting from 76969031 its reverse (13096967), we obtain a square (63872064 = 7992²).

The spelling of 76969031 in words is "seventy-six million, nine hundred sixty-nine thousand, thirty-one".