74021733 has 6 divisors (see below), whose sum is σ = 106920294. Its totient is φ = 49347816.

The previous prime is 74021729. The next prime is 74021737. The reversal of 74021733 is 33712047.

It is an interprime number because it is at equal distance from previous prime (74021729) and next prime (74021737).

It can be written as a sum of positive squares in only one way, i.e., 63250209 + 10771524 = 7953^2 + 3282^2 .

It is not a de Polignac number, because 74021733 - 2² = 74021729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74021697 and 74021706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74021737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4112310 + ... + 4112327.

It is an arithmetic number, because the mean of its divisors is an integer number (17820049).

Almost surely, 2^74021733 is an apocalyptic number.

It is an amenable number.

74021733 is a deficient number, since it is larger than the sum of its proper divisors (32898561).

74021733 is a wasteful number, since it uses less digits than its factorization.

74021733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8224643 (or 8224640 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 74021733 is about 8603.5883792752. The cubic root of 74021733 is about 419.8747415589.

The spelling of 74021733 in words is "seventy-four million, twenty-one thousand, seven hundred thirty-three".