72419937 has 8 divisors (see below), whose sum is σ = 99674880. Its totient is φ = 46722480.

The previous prime is 72419933. The next prime is 72419959. The reversal of 72419937 is 73991427.

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

It is not a de Polignac number, because 72419937 - 2² = 72419933 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72419933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389262 + ... + 389447.

It is an arithmetic number, because the mean of its divisors is an integer number (12459360).

Almost surely, 2^72419937 is an apocalyptic number.

It is an amenable number.

72419937 is a deficient number, since it is larger than the sum of its proper divisors (27254943).

72419937 is a wasteful number, since it uses less digits than its factorization.

72419937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778743.

The product of its digits is 95256, while the sum is 42.

The square root of 72419937 is about 8509.9904230263. The cubic root of 72419937 is about 416.8239974032.

The spelling of 72419937 in words is "seventy-two million, four hundred nineteen thousand, nine hundred thirty-seven".