74022797 has 4 divisors (see below), whose sum is σ = 74677980. Its totient is φ = 73367616.

The previous prime is 74022779. The next prime is 74022827. The reversal of 74022797 is 79722047.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17757796 + 56265001 = 4214^2 + 7501^2 .

It is a cyclic number.

It is not a de Polignac number, because 74022797 - 2⁶ = 74022733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74022797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74022197) 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, 327422 + ... + 327647.

It is an arithmetic number, because the mean of its divisors is an integer number (18669495).

Almost surely, 2^74022797 is an apocalyptic number.

It is an amenable number.

74022797 is a deficient number, since it is larger than the sum of its proper divisors (655183).

74022797 is a wasteful number, since it uses less digits than its factorization.

74022797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655182.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 74022797 is about 8603.6502137174. The cubic root of 74022797 is about 419.8767533311.

The spelling of 74022797 in words is "seventy-four million, twenty-two thousand, seven hundred ninety-seven".