8702020742 has 4 divisors (see below), whose sum is σ = 13053031116. Its totient is φ = 4351010370.

The previous prime is 8702020727. The next prime is 8702020753. The reversal of 8702020742 is 2470202078.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 8702020699 and 8702020708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2175505184 + ... + 2175505187.

It is an arithmetic number, because the mean of its divisors is an integer number (3263257779).

Almost surely, 2^8702020742 is an apocalyptic number.

8702020742 is a deficient number, since it is larger than the sum of its proper divisors (4351010374).

8702020742 is a wasteful number, since it uses less digits than its factorization.

8702020742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351010373.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 8702020742 is about 93284.6222160973. The cubic root of 8702020742 is about 2056.8693406802.

The spelling of 8702020742 in words is "eight billion, seven hundred two million, twenty thousand, seven hundred forty-two".