72068700 has 72 divisors (see below), whose sum is σ = 227485440. Its totient is φ = 17470400.

The previous prime is 72068699. The next prime is 72068701. The reversal of 72068700 is 786027.

It is an interprime number because it is at equal distance from previous prime (72068699) and next prime (72068701).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72068701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7620 + ... + 14219.

It is an arithmetic number, because the mean of its divisors is an integer number (3159520).

Almost surely, 2^72068700 is an apocalyptic number.

It is an amenable number.

72068700 is an abundant number, since it is smaller than the sum of its proper divisors (155416740).

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

72068700 is a wasteful number, since it uses less digits than its factorization.

72068700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21867 (or 21860 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 72068700 is about 8489.3285953602. The cubic root of 72068700 is about 416.1490389919.

The spelling of 72068700 in words is "seventy-two million, sixty-eight thousand, seven hundred".