72020334 has 8 divisors (see below), whose sum is σ = 144040680. Its totient is φ = 24006776.

The previous prime is 72020327. The next prime is 72020339. The reversal of 72020334 is 43302027.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

72020334 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 72020334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72020339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6001689 + ... + 6001700.

It is an arithmetic number, because the mean of its divisors is an integer number (18005085).

Almost surely, 2^72020334 is an apocalyptic number.

72020334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72020334 is a wasteful number, since it uses less digits than its factorization.

72020334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12003394.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 72020334 is about 8486.4794820939. The cubic root of 72020334 is about 416.0559242801.

The spelling of 72020334 in words is "seventy-two million, twenty thousand, three hundred thirty-four".