74671457 has 4 divisors (see below), whose sum is σ = 85338816. Its totient is φ = 64004100.

The previous prime is 74671451. The next prime is 74671459. The reversal of 74671457 is 75417647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74671457 - 2⁶ = 74671393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74671451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5333669 + ... + 5333682.

It is an arithmetic number, because the mean of its divisors is an integer number (21334704).

Almost surely, 2^74671457 is an apocalyptic number.

It is an amenable number.

74671457 is a deficient number, since it is larger than the sum of its proper divisors (10667359).

74671457 is a wasteful number, since it uses less digits than its factorization.

74671457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667358.

The product of its digits is 164640, while the sum is 41.

The square root of 74671457 is about 8641.2647801118. The cubic root of 74671457 is about 421.0996448500.

The spelling of 74671457 in words is "seventy-four million, six hundred seventy-one thousand, four hundred fifty-seven".