7272870 has 32 divisors (see below), whose sum is σ = 19042560. Its totient is φ = 1763040.

The previous prime is 7272869. The next prime is 7272883. The reversal of 7272870 is 782727.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 10690 + ... + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (595080).

Almost surely, 2^7272870 is an apocalyptic number.

7272870 is an abundant number, since it is smaller than the sum of its proper divisors (11769690).

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

7272870 is a wasteful number, since it uses less digits than its factorization.

7272870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22060.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 7272870 is about 2696.8259120677. The cubic root of 7272870 is about 193.7471286428.

The spelling of 7272870 in words is "seven million, two hundred seventy-two thousand, eight hundred seventy".