72802419 has 4 divisors (see below), whose sum is σ = 97069896. Its totient is φ = 48534944.

The previous prime is 72802417. The next prime is 72802427. The reversal of 72802419 is 91420827.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72802419 - 2¹ = 72802417 is a prime.

It is a super-2 number, since 2×72802419² = 10600384424503122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72802419.

It is not an unprimeable number, because it can be changed into a prime (72802417) 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 3 ways as a sum of consecutive naturals, for example, 12133734 + ... + 12133739.

It is an arithmetic number, because the mean of its divisors is an integer number (24267474).

Almost surely, 2^72802419 is an apocalyptic number.

72802419 is a deficient number, since it is larger than the sum of its proper divisors (24267477).

72802419 is a wasteful number, since it uses less digits than its factorization.

72802419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24267476.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 72802419 is about 8532.4333574895. The cubic root of 72802419 is about 417.5565204893.

The spelling of 72802419 in words is "seventy-two million, eight hundred two thousand, four hundred nineteen".