74892472898 has 8 divisors (see below), whose sum is σ = 112369106892. Its totient is φ = 37436103936.

The previous prime is 74892472849. The next prime is 74892472903. The reversal of 74892472898 is 89827429847.

It can be written as a sum of positive squares in 2 ways, for example, as 70733125849 + 4159347049 = 265957^2 + 64493^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5057015 + ... + 5071802.

Almost surely, 2^74892472898 is an apocalyptic number.

74892472898 is a deficient number, since it is larger than the sum of its proper divisors (37476633994).

74892472898 is a wasteful number, since it uses less digits than its factorization.

74892472898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10132516.

The product of its digits is 130056192, while the sum is 68.

The spelling of 74892472898 in words is "seventy-four billion, eight hundred ninety-two million, four hundred seventy-two thousand, eight hundred ninety-eight".