74828025 has 18 divisors (see below), whose sum is σ = 134025710. Its totient is φ = 39908160.

The previous prime is 74828003. The next prime is 74828051. The reversal of 74828025 is 52082847.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 385641 + 74442384 = 621^2 + 8628^2 .

It is not a de Polignac number, because 74828025 - 2⁹ = 74827513 is a prime.

It is a super-3 number, since 3×74828025³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 166060 + ... + 166509.

Almost surely, 2^74828025 is an apocalyptic number.

74828025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74828025 is a deficient number, since it is larger than the sum of its proper divisors (59197685).

74828025 is a wasteful number, since it uses less digits than its factorization.

74828025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332585 (or 332577 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 74828025 is about 8650.3193582665. The cubic root of 74828025 is about 421.3937541173.

The spelling of 74828025 in words is "seventy-four million, eight hundred twenty-eight thousand, twenty-five".