76454971 has 2 divisors, whose sum is σ = 76454972. Its totient is φ = 76454970.

The previous prime is 76454969. The next prime is 76454981. The reversal of 76454971 is 17945467.

It is a weak prime.

It is an emirp because it is prime and its reverse (17945467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76454971 - 2¹ = 76454969 is a prime.

It is a super-2 number, since 2×76454971² = 11690725181221682, which contains 22 as substring.

Together with 76454969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (76454951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38227485 + 38227486.

It is an arithmetic number, because the mean of its divisors is an integer number (38227486).

Almost surely, 2^76454971 is an apocalyptic number.

76454971 is a deficient number, since it is larger than the sum of its proper divisors (1).

76454971 is an equidigital number, since it uses as much as digits as its factorization.

76454971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 76454971 is about 8743.8533267662. The cubic root of 76454971 is about 424.4259303443.

The spelling of 76454971 in words is "seventy-six million, four hundred fifty-four thousand, nine hundred seventy-one".