74968877 has 2 divisors, whose sum is σ = 74968878. Its totient is φ = 74968876.

The previous prime is 74968847. The next prime is 74968879. The reversal of 74968877 is 77886947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74407876 + 561001 = 8626^2 + 749^2 .

It is a cyclic number.

It is not a de Polignac number, because 74968877 - 2¹⁰ = 74967853 is a prime.

It is a super-2 number, since 2×74968877² = 11240665037282258, which contains 22 as substring.

Together with 74968879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74968879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37484438 + 37484439.

It is an arithmetic number, because the mean of its divisors is an integer number (37484439).

Almost surely, 2^74968877 is an apocalyptic number.

It is an amenable number.

74968877 is a deficient number, since it is larger than the sum of its proper divisors (1).

74968877 is an equidigital number, since it uses as much as digits as its factorization.

74968877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 56.

The square root of 74968877 is about 8658.4569641478. The cubic root of 74968877 is about 421.6579909026.

The spelling of 74968877 in words is "seventy-four million, nine hundred sixty-eight thousand, eight hundred seventy-seven".