74261020 has 36 divisors (see below), whose sum is σ = 163046520. Its totient is φ = 28408864.

The previous prime is 74260993. The next prime is 74261021. The reversal of 74261020 is 2016247.

It is a junction number, because it is equal to n+sod(n) for n = 74260982 and 74261000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74261021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7071 + ... + 14089.

It is an arithmetic number, because the mean of its divisors is an integer number (4529070).

Almost surely, 2^74261020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74261020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81523260).

74261020 is an abundant number, since it is smaller than the sum of its proper divisors (88785500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74261020 is a wasteful number, since it uses less digits than its factorization.

74261020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074 (or 7049 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 74261020 is about 8617.4833913388. The cubic root of 74261020 is about 420.3266921545.

Adding to 74261020 its reverse (2016247), we get a palindrome (76277267).

The spelling of 74261020 in words is "seventy-four million, two hundred sixty-one thousand, twenty".