74294779 has 8 divisors (see below), whose sum is σ = 82172720. Its totient is φ = 66725856.

The previous prime is 74294741. The next prime is 74294789. The reversal of 74294779 is 97749247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74294779 - 2¹¹ = 74292731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74294719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76749 + ... + 77710.

It is an arithmetic number, because the mean of its divisors is an integer number (10271590).

Almost surely, 2^74294779 is an apocalyptic number.

74294779 is a deficient number, since it is larger than the sum of its proper divisors (7877941).

74294779 is a wasteful number, since it uses less digits than its factorization.

74294779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154509.

The product of its digits is 889056, while the sum is 49.

The square root of 74294779 is about 8619.4419192892. The cubic root of 74294779 is about 420.3903758974.

The spelling of 74294779 in words is "seventy-four million, two hundred ninety-four thousand, seven hundred seventy-nine".