74476879 has 2 divisors, whose sum is σ = 74476880. Its totient is φ = 74476878.

The previous prime is 74476877. The next prime is 74476907. The reversal of 74476879 is 97867447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74476879 - 2¹ = 74476877 is a prime.

Together with 74476877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74476873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37238439 + 37238440.

It is an arithmetic number, because the mean of its divisors is an integer number (37238440).

Almost surely, 2^74476879 is an apocalyptic number.

74476879 is a deficient number, since it is larger than the sum of its proper divisors (1).

74476879 is an equidigital number, since it uses as much as digits as its factorization.

74476879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 52.

The square root of 74476879 is about 8629.9987833139. The cubic root of 74476879 is about 420.7335611945.

The spelling of 74476879 in words is "seventy-four million, four hundred seventy-six thousand, eight hundred seventy-nine".