74810146 has 8 divisors (see below), whose sum is σ = 112504860. Its totient is φ = 37308528.

The previous prime is 74810143. The next prime is 74810173. The reversal of 74810146 is 64101847.

It can be written as a sum of positive squares in 2 ways, for example, as 72675625 + 2134521 = 8525^2 + 1461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74810143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47301 + ... + 48856.

Almost surely, 2^74810146 is an apocalyptic number.

74810146 is a deficient number, since it is larger than the sum of its proper divisors (37694714).

74810146 is a wasteful number, since it uses less digits than its factorization.

74810146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96548.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 74810146 is about 8649.2858664748. The cubic root of 74810146 is about 421.3601896025.

The spelling of 74810146 in words is "seventy-four million, eight hundred ten thousand, one hundred forty-six".