86742029 has 8 divisors (see below), whose sum is σ = 95232288. Its totient is φ = 78352560.

The previous prime is 86742017. The next prime is 86742037. The reversal of 86742029 is 92024768.

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

It is not a de Polignac number, because 86742029 - 2¹² = 86737933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86741983 and 86742001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86741029) 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, 23387 + ... + 26840.

It is an arithmetic number, because the mean of its divisors is an integer number (11904036).

Almost surely, 2^86742029 is an apocalyptic number.

It is an amenable number.

86742029 is a deficient number, since it is larger than the sum of its proper divisors (8490259).

86742029 is a wasteful number, since it uses less digits than its factorization.

86742029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50395.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 86742029 is about 9313.5400895685. The cubic root of 86742029 is about 442.6663662051. Note that the first 3 decimals are identical.

The spelling of 86742029 in words is "eighty-six million, seven hundred forty-two thousand, twenty-nine".