74812047 has 8 divisors (see below), whose sum is σ = 101384880. Its totient is φ = 49056960.

The previous prime is 74812037. The next prime is 74812051. The reversal of 74812047 is 74021847.

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

It is not a de Polignac number, because 74812047 - 2¹² = 74807951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74811999 and 74812017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74812007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204222 + ... + 204587.

It is an arithmetic number, because the mean of its divisors is an integer number (12673110).

Almost surely, 2^74812047 is an apocalyptic number.

74812047 is a deficient number, since it is larger than the sum of its proper divisors (26572833).

74812047 is a wasteful number, since it uses less digits than its factorization.

74812047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408873.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 74812047 is about 8649.3957592424. The cubic root of 74812047 is about 421.3637586324.

The spelling of 74812047 in words is "seventy-four million, eight hundred twelve thousand, forty-seven".