7272498786 has 96 divisors (see below), whose sum is σ = 17808122880. Its totient is φ = 1938844512.

The previous prime is 7272498773. The next prime is 7272498787. The reversal of 7272498786 is 6878942727.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7272498787) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1012275 + ... + 1019433.

It is an arithmetic number, because the mean of its divisors is an integer number (185501280).

Almost surely, 2^7272498786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7272498786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8904061440).

7272498786 is an abundant number, since it is smaller than the sum of its proper divisors (10535624094).

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

7272498786 is a wasteful number, since it uses less digits than its factorization.

7272498786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7276 (or 7257 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 60.

The square root of 7272498786 is about 85278.9469095392. The cubic root of 7272498786 is about 1937.4383224265.

The spelling of 7272498786 in words is "seven billion, two hundred seventy-two million, four hundred ninety-eight thousand, seven hundred eighty-six".