74473772 has 6 divisors (see below), whose sum is σ = 130329108. Its totient is φ = 37236884.

The previous prime is 74473771. The next prime is 74473799. The reversal of 74473772 is 27737447.

It is not an unprimeable number, because it can be changed into a prime (74473771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9309218 + ... + 9309225.

It is an arithmetic number, because the mean of its divisors is an integer number (21721518).

Almost surely, 2^74473772 is an apocalyptic number.

It is an amenable number.

74473772 is a deficient number, since it is larger than the sum of its proper divisors (55855336).

74473772 is a wasteful number, since it uses less digits than its factorization.

74473772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18618447 (or 18618445 counting only the distinct ones).

The product of its digits is 230496, while the sum is 41.

The square root of 74473772 is about 8629.8187698236. The cubic root of 74473772 is about 420.7277104420.

The spelling of 74473772 in words is "seventy-four million, four hundred seventy-three thousand, seven hundred seventy-two".