72067340 has 24 divisors (see below), whose sum is σ = 155034432. Its totient is φ = 28123520.

The previous prime is 72067337. The next prime is 72067351. The reversal of 72067340 is 4376027.

It is an unprimeable number.

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, 43124 + ... + 44763.

It is an arithmetic number, because the mean of its divisors is an integer number (6459768).

Almost surely, 2^72067340 is an apocalyptic number.

It is an amenable number.

72067340 is an abundant number, since it is smaller than the sum of its proper divisors (82967092).

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

72067340 is a wasteful number, since it uses less digits than its factorization.

72067340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87937 (or 87935 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72067340 is about 8489.2484944193. The cubic root of 72067340 is about 416.1464212755.

The spelling of 72067340 in words is "seventy-two million, sixty-seven thousand, three hundred forty".