74348279 has 4 divisors (see below), whose sum is σ = 74383560. Its totient is φ = 74313000.

The previous prime is 74348251. The next prime is 74348303. The reversal of 74348279 is 97284347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97284347 = 167 ⋅582541.

It is a cyclic number.

It is not a de Polignac number, because 74348279 - 2¹² = 74344183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79348279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14264 + ... + 18765.

It is an arithmetic number, because the mean of its divisors is an integer number (18595890).

Almost surely, 2^74348279 is an apocalyptic number.

74348279 is a deficient number, since it is larger than the sum of its proper divisors (35281).

74348279 is a wasteful number, since it uses less digits than its factorization.

74348279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35280.

The product of its digits is 338688, while the sum is 44.

The square root of 74348279 is about 8622.5448099734. The cubic root of 74348279 is about 420.4912600105.

The spelling of 74348279 in words is "seventy-four million, three hundred forty-eight thousand, two hundred seventy-nine".