74892236009 has 8 divisors (see below), whose sum is σ = 75445366728. Its totient is φ = 74339199360.

The previous prime is 74892235939. The next prime is 74892236017. The reversal of 74892236009 is 90063229847.

It can be written as a sum of positive squares in 4 ways, for example, as 16341787225 + 58550448784 = 127835^2 + 241972^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74892236009 - 2¹² = 74892231913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74892236059) 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, 2954939 + ... + 2980175.

It is an arithmetic number, because the mean of its divisors is an integer number (9430670841).

Almost surely, 2^74892236009 is an apocalyptic number.

It is an amenable number.

74892236009 is a deficient number, since it is larger than the sum of its proper divisors (553130719).

74892236009 is a wasteful number, since it uses less digits than its factorization.

74892236009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47035.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 74892236009 in words is "seventy-four billion, eight hundred ninety-two million, two hundred thirty-six thousand, nine".