74952385 has 24 divisors (see below), whose sum is σ = 95308920. Its totient is φ = 56512512.

The previous prime is 74952349. The next prime is 74952391. The reversal of 74952385 is 58325947.

It can be written as a sum of positive squares in 12 ways, for example, as 11861136 + 63091249 = 3444^2 + 7943^2 .

It is not a de Polignac number, because 74952385 - 2⁹ = 74951873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 772657 + ... + 772753.

It is an arithmetic number, because the mean of its divisors is an integer number (3971205).

Almost surely, 2^74952385 is an apocalyptic number.

It is an amenable number.

74952385 is a deficient number, since it is larger than the sum of its proper divisors (20356535).

74952385 is an equidigital number, since it uses as much as digits as its factorization.

74952385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 204 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 74952385 is about 8657.5045480785. The cubic root of 74952385 is about 421.6270692106.

The spelling of 74952385 in words is "seventy-four million, nine hundred fifty-two thousand, three hundred eighty-five".