74473445 has 8 divisors (see below), whose sum is σ = 94071840. Its totient is φ = 56442960.

The previous prime is 74473433. The next prime is 74473453. The reversal of 74473445 is 54437447.

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

It is not a de Polignac number, because 74473445 - 2¹⁰ = 74472421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74473399 and 74473408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391871 + ... + 392060.

It is an arithmetic number, because the mean of its divisors is an integer number (11758980).

Almost surely, 2^74473445 is an apocalyptic number.

It is an amenable number.

74473445 is a deficient number, since it is larger than the sum of its proper divisors (19598395).

74473445 is a wasteful number, since it uses less digits than its factorization.

74473445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783955.

The product of its digits is 188160, while the sum is 38.

The square root of 74473445 is about 8629.7998238661. The cubic root of 74473445 is about 420.7270946629.

The spelling of 74473445 in words is "seventy-four million, four hundred seventy-three thousand, four hundred forty-five".