74346545 has 32 divisors (see below), whose sum is σ = 111912192. Its totient is φ = 46156032.

The previous prime is 74346539. The next prime is 74346553. The reversal of 74346545 is 54564347.

It is a happy number.

It is not a de Polignac number, because 74346545 - 2²⁴ = 57569329 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 = 74346499 and 74346508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22574 + ... + 25656.

It is an arithmetic number, because the mean of its divisors is an integer number (3497256).

Almost surely, 2^74346545 is an apocalyptic number.

It is an amenable number.

74346545 is a deficient number, since it is larger than the sum of its proper divisors (37565647).

74346545 is a wasteful number, since it uses less digits than its factorization.

74346545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161.

The product of its digits is 201600, while the sum is 38.

The square root of 74346545 is about 8622.4442590254. Note that the first 3 decimals coincide. The cubic root of 74346545 is about 420.4879909929.

The spelling of 74346545 in words is "seventy-four million, three hundred forty-six thousand, five hundred forty-five".