74063145 has 16 divisors (see below), whose sum is σ = 127616832. Its totient is φ = 36461760.

The previous prime is 74063137. The next prime is 74063147. The reversal of 74063145 is 54136047.

It is not a de Polignac number, because 74063145 - 2³ = 74063137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74063147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189711 + ... + 190100.

It is an arithmetic number, because the mean of its divisors is an integer number (7976052).

Almost surely, 2^74063145 is an apocalyptic number.

It is an amenable number.

74063145 is a deficient number, since it is larger than the sum of its proper divisors (53553687).

74063145 is a wasteful number, since it uses less digits than its factorization.

74063145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379832.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 74063145 is about 8605.9947129893. The cubic root of 74063145 is about 419.9530276267.

The spelling of 74063145 in words is "seventy-four million, sixty-three thousand, one hundred forty-five".