72270606 has 16 divisors (see below), whose sum is σ = 144632448. Its totient is φ = 24075000.

The previous prime is 72270599. The next prime is 72270613. The reversal of 72270606 is 60607227.

It is an interprime number because it is at equal distance from previous prime (72270599) and next prime (72270613).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10831 + ... + 16181.

It is an arithmetic number, because the mean of its divisors is an integer number (9039528).

Almost surely, 2^72270606 is an apocalyptic number.

72270606 is an abundant number, since it is smaller than the sum of its proper divisors (72361842).

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

72270606 is a wasteful number, since it uses less digits than its factorization.

72270606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 72270606 is about 8501.2120312341. The cubic root of 72270606 is about 416.5373011369.

The spelling of 72270606 in words is "seventy-two million, two hundred seventy thousand, six hundred six".