74728395 has 24 divisors (see below), whose sum is σ = 148034016. Its totient is φ = 34161408.

The previous prime is 74728373. The next prime is 74728399. The reversal of 74728395 is 59382747.

It is not a de Polignac number, because 74728395 - 2⁷ = 74728267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 74728395.

It is not an unprimeable number, because it can be changed into a prime (74728399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118302 + ... + 118931.

It is an arithmetic number, because the mean of its divisors is an integer number (6168084).

Almost surely, 2^74728395 is an apocalyptic number.

74728395 is a deficient number, since it is larger than the sum of its proper divisors (73305621).

74728395 is a wasteful number, since it uses less digits than its factorization.

74728395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237251 (or 237248 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 74728395 is about 8644.5586931896. The cubic root of 74728395 is about 421.2066490564.

The spelling of 74728395 in words is "seventy-four million, seven hundred twenty-eight thousand, three hundred ninety-five".