76734137 has 2 divisors, whose sum is σ = 76734138. Its totient is φ = 76734136.

The previous prime is 76734131. The next prime is 76734139. The reversal of 76734137 is 73143767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49056016 + 27678121 = 7004^2 + 5261^2 .

It is an emirp because it is prime and its reverse (73143767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76734137 - 2¹⁶ = 76668601 is a prime.

It is a super-2 number, since 2×76734137² = 11776255562269538, which contains 22 as substring.

Together with 76734139, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4489850 and since 76734137 and 4489850 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76734137.

It is not a weakly prime, because it can be changed into another prime (76734131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38367068 + 38367069.

It is an arithmetic number, because the mean of its divisors is an integer number (38367069).

Almost surely, 2^76734137 is an apocalyptic number.

It is an amenable number.

76734137 is a deficient number, since it is larger than the sum of its proper divisors (1).

76734137 is an equidigital number, since it uses as much as digits as its factorization.

76734137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 38.

The square root of 76734137 is about 8759.8023379526. The cubic root of 76734137 is about 424.9418827105.

The spelling of 76734137 in words is "seventy-six million, seven hundred thirty-four thousand, one hundred thirty-seven".