74250770 has 32 divisors (see below), whose sum is σ = 146157696. Its totient is φ = 26934400.

The previous prime is 74250751. The next prime is 74250773. The reversal of 74250770 is 7705247.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74250773) 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 15 ways as a sum of consecutive naturals, for example, 83267 + ... + 84153.

It is an arithmetic number, because the mean of its divisors is an integer number (4567428).

Almost surely, 2^74250770 is an apocalyptic number.

74250770 is a deficient number, since it is larger than the sum of its proper divisors (71906926).

74250770 is a wasteful number, since it uses less digits than its factorization.

74250770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 74250770 is about 8616.8886496229. Note that the first 3 decimals coincide. The cubic root of 74250770 is about 420.3073525026.

The spelling of 74250770 in words is "seventy-four million, two hundred fifty thousand, seven hundred seventy".