76949 has 2 divisors, whose sum is σ = 76950. Its totient is φ = 76948.

The previous prime is 76943. The next prime is 76961. The reversal of 76949 is 94967.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70225 + 6724 = 265^2 + 82^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76949 is a prime.

It is a super-2 number, since 2×76949² = 11842297202, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38474 + 38475.

It is an arithmetic number, because the mean of its divisors is an integer number (38475).

2⁷⁶⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

76949 is a deficient number, since it is larger than the sum of its proper divisors (1).

76949 is an equidigital number, since it uses as much as digits as its factorization.

76949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 76949 is about 277.3968276675. The cubic root of 76949 is about 42.5338139202.

It can be divided in two parts, 769 and 49, that added together give a palindrome (818).

The spelling of 76949 in words is "seventy-six thousand, nine hundred forty-nine".