72803022415 has 16 divisors (see below), whose sum is σ = 88180973568. Its totient is φ = 57698869536.

The previous prime is 72803022403. The next prime is 72803022491. The reversal of 72803022415 is 51422030827.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72803022415 - 2¹⁹ = 72802498127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349774 + ... + 517636.

It is an arithmetic number, because the mean of its divisors is an integer number (5511310848).

Almost surely, 2^72803022415 is an apocalyptic number.

72803022415 is a deficient number, since it is larger than the sum of its proper divisors (15377951153).

72803022415 is a wasteful number, since it uses less digits than its factorization.

72803022415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168678.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 72803022415 in words is "seventy-two billion, eight hundred three million, twenty-two thousand, four hundred fifteen".