86722070 has 8 divisors (see below), whose sum is σ = 156099744. Its totient is φ = 34688824.

The previous prime is 86722067. The next prime is 86722073. The reversal of 86722070 is 7022768.

It is an interprime number because it is at equal distance from previous prime (86722067) and next prime (86722073).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86722073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4336094 + ... + 4336113.

It is an arithmetic number, because the mean of its divisors is an integer number (19512468).

Almost surely, 2^86722070 is an apocalyptic number.

86722070 is a deficient number, since it is larger than the sum of its proper divisors (69377674).

86722070 is a wasteful number, since it uses less digits than its factorization.

86722070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672214.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 86722070 is about 9312.4685234367. The cubic root of 86722070 is about 442.6324116702.

The spelling of 86722070 in words is "eighty-six million, seven hundred twenty-two thousand, seventy".