76636739 has 2 divisors, whose sum is σ = 76636740. Its totient is φ = 76636738.

The previous prime is 76636711. The next prime is 76636757. The reversal of 76636739 is 93763667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76636739 - 2²⁴ = 59859523 is a prime.

It is a super-3 number, since 3×76636739³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 76636693 and 76636702.

It is not a weakly prime, because it can be changed into another prime (76632739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38318369 + 38318370.

It is an arithmetic number, because the mean of its divisors is an integer number (38318370).

Almost surely, 2^76636739 is an apocalyptic number.

76636739 is a deficient number, since it is larger than the sum of its proper divisors (1).

76636739 is an equidigital number, since it uses as much as digits as its factorization.

76636739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 47.

The square root of 76636739 is about 8754.2412006981. The cubic root of 76636739 is about 424.7620148584.

The spelling of 76636739 in words is "seventy-six million, six hundred thirty-six thousand, seven hundred thirty-nine".