74473605 has 24 divisors (see below), whose sum is σ = 130302432. Its totient is φ = 39345504.

The previous prime is 74473571. The next prime is 74473621. The reversal of 74473605 is 50637447.

74473605 is a `hidden beast` number, since 7 + 4 + 47 + 3 + 605 = 666.

It is not a de Polignac number, because 74473605 - 2⁶ = 74473541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74473605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2919 + ... + 12548.

It is an arithmetic number, because the mean of its divisors is an integer number (5429268).

Almost surely, 2^74473605 is an apocalyptic number.

It is an amenable number.

74473605 is a deficient number, since it is larger than the sum of its proper divisors (55828827).

74473605 is a wasteful number, since it uses less digits than its factorization.

74473605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15585 (or 15582 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 74473605 is about 8629.8090940646. The cubic root of 74473605 is about 420.7273959618.

It can be divided in two parts, 74473 and 605, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 74473605 in words is "seventy-four million, four hundred seventy-three thousand, six hundred five".