86726970 has 64 divisors (see below), whose sum is σ = 252305280. Its totient is φ = 21024000.

The previous prime is 86726953. The next prime is 86726971. The reversal of 86726970 is 7962768.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (86726971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11631 + ... + 17570.

It is an arithmetic number, because the mean of its divisors is an integer number (3942270).

Almost surely, 2^86726970 is an apocalyptic number.

86726970 is an abundant number, since it is smaller than the sum of its proper divisors (165578310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86726970 is a wasteful number, since it uses less digits than its factorization.

86726970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29228 (or 29222 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 86726970 is about 9312.7316078581. The cubic root of 86726970 is about 442.6407481024.

The spelling of 86726970 in words is "eighty-six million, seven hundred twenty-six thousand, nine hundred seventy".