72770336310 has 64 divisors (see below), whose sum is σ = 199635881472. Its totient is φ = 16630116096.

The previous prime is 72770336273. The next prime is 72770336311. The reversal of 72770336310 is 1363307727.

It is a super-2 number, since 2×72770336310² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72770336311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1208989 + ... + 1267751.

It is an arithmetic number, because the mean of its divisors is an integer number (3119310648).

Almost surely, 2^72770336310 is an apocalyptic number.

72770336310 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72770336310 is an abundant number, since it is smaller than the sum of its proper divisors (126865545162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72770336310 is a wasteful number, since it uses less digits than its factorization.

72770336310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64677.

The product of its (nonzero) digits is 111132, while the sum is 39.

The spelling of 72770336310 in words is "seventy-two billion, seven hundred seventy million, three hundred thirty-six thousand, three hundred ten".