8742270309 has 8 divisors (see below), whose sum is σ = 11740219680. Its totient is φ = 5786250576.

The previous prime is 8742270301. The next prime is 8742270319. The reversal of 8742270309 is 9030722478.

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

It is not a de Polignac number, because 8742270309 - 2³ = 8742270301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742270301) 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, 10481922 + ... + 10482755.

It is an arithmetic number, because the mean of its divisors is an integer number (1467527460).

Almost surely, 2^8742270309 is an apocalyptic number.

It is an amenable number.

8742270309 is a deficient number, since it is larger than the sum of its proper divisors (2997949371).

8742270309 is a wasteful number, since it uses less digits than its factorization.

8742270309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20964819.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 8742270309 is about 93500.1086042150. The cubic root of 8742270309 is about 2060.0356851989.

The spelling of 8742270309 in words is "eight billion, seven hundred forty-two million, two hundred seventy thousand, three hundred nine".