72412487 has 8 divisors (see below), whose sum is σ = 86355456. Its totient is φ = 59369112.

The previous prime is 72412471. The next prime is 72412523. The reversal of 72412487 is 78421427.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72412487 - 2⁴ = 72412471 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 (72417487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224723 + ... + 225044.

It is an arithmetic number, because the mean of its divisors is an integer number (10794432).

Almost surely, 2^72412487 is an apocalyptic number.

72412487 is a deficient number, since it is larger than the sum of its proper divisors (13942969).

72412487 is a wasteful number, since it uses less digits than its factorization.

72412487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449797.

The product of its digits is 25088, while the sum is 35.

The square root of 72412487 is about 8509.5526909468. The cubic root of 72412487 is about 416.8097037091.

The spelling of 72412487 in words is "seventy-two million, four hundred twelve thousand, four hundred eighty-seven".