72142935707 has 2 divisors, whose sum is σ = 72142935708. Its totient is φ = 72142935706.

The previous prime is 72142935703. The next prime is 72142935743. The reversal of 72142935707 is 70753924127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72142935707 - 2² = 72142935703 is a prime.

It is a super-3 number, since 3×72142935707³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (72142935703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36071467853 + 36071467854.

It is an arithmetic number, because the mean of its divisors is an integer number (36071467854).

Almost surely, 2^72142935707 is an apocalyptic number.

72142935707 is a deficient number, since it is larger than the sum of its proper divisors (1).

72142935707 is an equidigital number, since it uses as much as digits as its factorization.

72142935707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 72142935707 in words is "seventy-two billion, one hundred forty-two million, nine hundred thirty-five thousand, seven hundred seven".