72853340 has 24 divisors (see below), whose sum is σ = 174848352. Its totient is φ = 24978240.

The previous prime is 72853301. The next prime is 72853357. The reversal of 72853340 is 4335827.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72853297 and 72853306.

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, 260051 + ... + 260330.

It is an arithmetic number, because the mean of its divisors is an integer number (7285348).

Almost surely, 2^72853340 is an apocalyptic number.

72853340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72853340 is an abundant number, since it is smaller than the sum of its proper divisors (101995012).

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

72853340 is a wasteful number, since it uses less digits than its factorization.

72853340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520397 (or 520395 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 72853340 is about 8535.4168029452. The cubic root of 72853340 is about 417.6538498571.

The spelling of 72853340 in words is "seventy-two million, eight hundred fifty-three thousand, three hundred forty".