72484386 has 48 divisors (see below), whose sum is σ = 161485632. Its totient is φ = 21561120.

The previous prime is 72484381. The next prime is 72484393. The reversal of 72484386 is 68348427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72484381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74475 + ... + 75441.

It is an arithmetic number, because the mean of its divisors is an integer number (3364284).

Almost surely, 2^72484386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72484386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80742816).

72484386 is an abundant number, since it is smaller than the sum of its proper divisors (89001246).

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

72484386 is a wasteful number, since it uses less digits than its factorization.

72484386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1016 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 72484386 is about 8513.7762479407. The cubic root of 72484386 is about 416.9476094260.

The spelling of 72484386 in words is "seventy-two million, four hundred eighty-four thousand, three hundred eighty-six".