72419486 has 4 divisors (see below), whose sum is σ = 108629232. Its totient is φ = 36209742.

The previous prime is 72419461. The next prime is 72419497. The reversal of 72419486 is 68491427.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68491427 = 971 ⋅70537.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18104870 + ... + 18104873.

It is an arithmetic number, because the mean of its divisors is an integer number (27157308).

Almost surely, 2^72419486 is an apocalyptic number.

72419486 is a deficient number, since it is larger than the sum of its proper divisors (36209746).

72419486 is a wasteful number, since it uses less digits than its factorization.

72419486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36209745.

The product of its digits is 96768, while the sum is 41.

The square root of 72419486 is about 8509.9639247179. The cubic root of 72419486 is about 416.8231321350.

The spelling of 72419486 in words is "seventy-two million, four hundred nineteen thousand, four hundred eighty-six".