76429147 has 2 divisors, whose sum is σ = 76429148. Its totient is φ = 76429146.

The previous prime is 76429141. The next prime is 76429187. The reversal of 76429147 is 74192467.

It is an a-pointer prime, because the next prime (76429187) can be obtained adding 76429147 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (74192467) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76429147 is a prime.

It is a super-2 number, since 2×76429147² = 11682829022295218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76429141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38214573 + 38214574.

It is an arithmetic number, because the mean of its divisors is an integer number (38214574).

Almost surely, 2^76429147 is an apocalyptic number.

76429147 is a deficient number, since it is larger than the sum of its proper divisors (1).

76429147 is an equidigital number, since it uses as much as digits as its factorization.

76429147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 76429147 is about 8742.3765075636. The cubic root of 76429147 is about 424.3781392095.

The spelling of 76429147 in words is "seventy-six million, four hundred twenty-nine thousand, one hundred forty-seven".