74283545 has 16 divisors (see below), whose sum is σ = 102039168. Its totient is φ = 50855040.

The previous prime is 74283509. The next prime is 74283551. The reversal of 74283545 is 54538247.

It is a happy number.

It is not a de Polignac number, because 74283545 - 2¹² = 74279449 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 74283499 and 74283508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27077 + ... + 29693.

It is an arithmetic number, because the mean of its divisors is an integer number (6377448).

Almost surely, 2^74283545 is an apocalyptic number.

It is an amenable number.

74283545 is a deficient number, since it is larger than the sum of its proper divisors (27755623).

74283545 is a wasteful number, since it uses less digits than its factorization.

74283545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440.

The product of its digits is 134400, while the sum is 38.

The square root of 74283545 is about 8618.7902283325. The cubic root of 74283545 is about 420.3691859672.

The spelling of 74283545 in words is "seventy-four million, two hundred eighty-three thousand, five hundred forty-five".