72366670 has 16 divisors (see below), whose sum is σ = 130881168. Its totient is φ = 28808640.

The previous prime is 72366659. The next prime is 72366673. The reversal of 72366670 is 7666327.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72366673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15039 + ... + 19258.

It is an arithmetic number, because the mean of its divisors is an integer number (8180073).

Almost surely, 2^72366670 is an apocalyptic number.

72366670 is a deficient number, since it is larger than the sum of its proper divisors (58514498).

72366670 is a wasteful number, since it uses less digits than its factorization.

72366670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34515.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 72366670 is about 8506.8601728252. The cubic root of 72366670 is about 416.7217768883.

The spelling of 72366670 in words is "seventy-two million, three hundred sixty-six thousand, six hundred seventy".