72046000920 has 64 divisors (see below), whose sum is σ = 216179424000. Its totient is φ = 19208585088.

The previous prime is 72046000919. The next prime is 72046000987. The reversal of 72046000920 is 2900064027.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602691 + ... + 712269.

It is an arithmetic number, because the mean of its divisors is an integer number (3377803500).

Almost surely, 2^72046000920 is an apocalyptic number.

It is an amenable number.

72046000920 is an abundant number, since it is smaller than the sum of its proper divisors (144133423080).

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

72046000920 is a wasteful number, since it uses less digits than its factorization.

72046000920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115072 (or 115068 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 72046000920 its reverse (2900064027), we get a palindrome (74946064947).

The spelling of 72046000920 in words is "seventy-two billion, forty-six million, nine hundred twenty", and thus it is an aban number.