74370829 has 12 divisors (see below), whose sum is σ = 82772508. Its totient is φ = 66424320.

The previous prime is 74370827. The next prime is 74370839. The reversal of 74370829 is 92807347.

It can be written as a sum of positive squares in 2 ways, for example, as 4313929 + 70056900 = 2077^2 + 8370^2 .

It is not a de Polignac number, because 74370829 - 2¹ = 74370827 is a prime.

It is a super-2 number, since 2×74370829² = 11062040412294482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74370791 and 74370800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74370827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9517 + ... + 15469.

It is an arithmetic number, because the mean of its divisors is an integer number (6897709).

Almost surely, 2^74370829 is an apocalyptic number.

It is an amenable number.

74370829 is a deficient number, since it is larger than the sum of its proper divisors (8401679).

74370829 is a wasteful number, since it uses less digits than its factorization.

74370829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028 (or 5997 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 74370829 is about 8623.8523294407. The cubic root of 74370829 is about 420.5337676945.

The spelling of 74370829 in words is "seventy-four million, three hundred seventy thousand, eight hundred twenty-nine".