72380487 has 4 divisors (see below), whose sum is σ = 96507320. Its totient is φ = 48253656.

The previous prime is 72380467. The next prime is 72380507. The reversal of 72380487 is 78408327.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (72380467) and next prime (72380507).

It is not a de Polignac number, because 72380487 - 2¹² = 72376391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72380437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12063412 + ... + 12063417.

It is an arithmetic number, because the mean of its divisors is an integer number (24126830).

Almost surely, 2^72380487 is an apocalyptic number.

72380487 is a deficient number, since it is larger than the sum of its proper divisors (24126833).

72380487 is a wasteful number, since it uses less digits than its factorization.

72380487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24126832.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 72380487 is about 8507.6722433342. The cubic root of 72380487 is about 416.7482968244.

The spelling of 72380487 in words is "seventy-two million, three hundred eighty thousand, four hundred eighty-seven".