72419896 has 8 divisors (see below), whose sum is σ = 135787320. Its totient is φ = 36209944.

The previous prime is 72419863. The next prime is 72419917. The reversal of 72419896 is 69891427.

It is a tau number, because it is divible by the number of its divisors (8).

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, 4526236 + ... + 4526251.

It is an arithmetic number, because the mean of its divisors is an integer number (16973415).

Almost surely, 2^72419896 is an apocalyptic number.

It is an amenable number.

72419896 is a deficient number, since it is larger than the sum of its proper divisors (63367424).

72419896 is a wasteful number, since it uses less digits than its factorization.

72419896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9052493 (or 9052489 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 72419896 is about 8509.9880140926. The cubic root of 72419896 is about 416.8239187426.

The spelling of 72419896 in words is "seventy-two million, four hundred nineteen thousand, eight hundred ninety-six".