72273060 has 84 divisors (see below), whose sum is σ = 227601948. Its totient is φ = 19268928.

The previous prime is 72273041. The next prime is 72273077. The reversal of 72273060 is 6037227.

It can be written as a sum of positive squares in 2 ways, for example, as 44836416 + 27436644 = 6696^2 + 5238^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 12102 + ... + 17058.

It is an arithmetic number, because the mean of its divisors is an integer number (2709547).

Almost surely, 2^72273060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72273060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113800974).

72273060 is an abundant number, since it is smaller than the sum of its proper divisors (155328888).

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

72273060 is a wasteful number, since it uses less digits than its factorization.

72273060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984 (or 4967 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 72273060 is about 8501.3563623695. The cubic root of 72273060 is about 416.5420156906.

The spelling of 72273060 in words is "seventy-two million, two hundred seventy-three thousand, sixty".