72000415 has 8 divisors (see below), whose sum is σ = 86521248. Its totient is φ = 57519840.

The previous prime is 72000371. The next prime is 72000421. The reversal of 72000415 is 51400027.

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

It is not a de Polignac number, because 72000415 - 2⁹ = 71999903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72000392 and 72000401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5976 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (10815156).

Almost surely, 2^72000415 is an apocalyptic number.

72000415 is a deficient number, since it is larger than the sum of its proper divisors (14520833).

72000415 is a wasteful number, since it uses less digits than its factorization.

72000415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20129.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 72000415 is about 8485.3058283128. The cubic root of 72000415 is about 416.0175639003.

The spelling of 72000415 in words is "seventy-two million, four hundred fifteen", and thus it is an aban number.