74022479 has 4 divisors (see below), whose sum is σ = 75743976. Its totient is φ = 72300984.

The previous prime is 74022419. The next prime is 74022527. The reversal of 74022479 is 97422047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74022479 - 2¹⁶ = 73956943 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 (74022409) 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, 860684 + ... + 860769.

It is an arithmetic number, because the mean of its divisors is an integer number (18935994).

Almost surely, 2^74022479 is an apocalyptic number.

74022479 is a deficient number, since it is larger than the sum of its proper divisors (1721497).

74022479 is a wasteful number, since it uses less digits than its factorization.

74022479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721496.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 74022479 is about 8603.6317331694. The cubic root of 74022479 is about 419.8761520704.

The spelling of 74022479 in words is "seventy-four million, twenty-two thousand, four hundred seventy-nine".