72554262 has 72 divisors (see below), whose sum is σ = 166172328. Its totient is φ = 21098880.

The previous prime is 72554257. The next prime is 72554267. The reversal of 72554262 is 26245527.

It is an interprime number because it is at equal distance from previous prime (72554257) and next prime (72554267).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72554267) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 993858 + ... + 993930.

It is an arithmetic number, because the mean of its divisors is an integer number (2307949).

Almost surely, 2^72554262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72554262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83086164).

72554262 is an abundant number, since it is smaller than the sum of its proper divisors (93618066).

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

72554262 is a wasteful number, since it uses less digits than its factorization.

72554262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 126 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 72554262 is about 8517.8789613377. The cubic root of 72554262 is about 417.0815475779.

Adding to 72554262 its reverse (26245527), we get a palindrome (98799789).

The spelling of 72554262 in words is "seventy-two million, five hundred fifty-four thousand, two hundred sixty-two".