74226790 has 16 divisors (see below), whose sum is σ = 145754640. Its totient is φ = 26991520.

The previous prime is 74226781. The next prime is 74226793. The reversal of 74226790 is 9762247.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74226793) 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 7 ways as a sum of consecutive naturals, for example, 337285 + ... + 337504.

It is an arithmetic number, because the mean of its divisors is an integer number (9109665).

Almost surely, 2^74226790 is an apocalyptic number.

74226790 is a deficient number, since it is larger than the sum of its proper divisors (71527850).

74226790 is a wasteful number, since it uses less digits than its factorization.

74226790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674807.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 74226790 is about 8615.4970837439. The cubic root of 74226790 is about 420.2621001973.

The spelling of 74226790 in words is "seventy-four million, two hundred twenty-six thousand, seven hundred ninety".