74714247 has 24 divisors (see below), whose sum is σ = 111915648. Its totient is φ = 47980800.

The previous prime is 74714239. The next prime is 74714249. The reversal of 74714247 is 74241747.

It is not a de Polignac number, because 74714247 - 2³ = 74714239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74714249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77923 + ... + 78875.

It is an arithmetic number, because the mean of its divisors is an integer number (4663152).

Almost surely, 2^74714247 is an apocalyptic number.

74714247 is a deficient number, since it is larger than the sum of its proper divisors (37201401).

74714247 is a wasteful number, since it uses less digits than its factorization.

74714247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1268 counting only the distinct ones).

The product of its digits is 43904, while the sum is 36.

The square root of 74714247 is about 8643.7403362202. The cubic root of 74714247 is about 421.1800656415.

The spelling of 74714247 in words is "seventy-four million, seven hundred fourteen thousand, two hundred forty-seven".