74320280252 has 12 divisors (see below), whose sum is σ = 130065429480. Its totient is φ = 37158728976.

The previous prime is 74320280249. The next prime is 74320280269. The reversal of 74320280252 is 25208202347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229502 + ... + 448677.

It is an arithmetic number, because the mean of its divisors is an integer number (10838785790).

Almost surely, 2^74320280252 is an apocalyptic number.

It is an amenable number.

74320280252 is a deficient number, since it is larger than the sum of its proper divisors (55745149228).

74320280252 is a wasteful number, since it uses less digits than its factorization.

74320280252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705580 (or 705578 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 74320280252 its reverse (25208202347), we get a palindrome (99528482599).

The spelling of 74320280252 in words is "seventy-four billion, three hundred twenty million, two hundred eighty thousand, two hundred fifty-two".