90343296720 has 60 divisors (see below), whose sum is σ = 303402907236. Its totient is φ = 24091545600.

The previous prime is 90343296709. The next prime is 90343296733. The reversal of 90343296720 is 2769234309.

It can be written as a sum of positive squares in 2 ways, for example, as 71494203456 + 18849093264 = 267384^2 + 137292^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×90343296720² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62737681 + ... + 62739120.

Almost surely, 2^90343296720 is an apocalyptic number.

90343296720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

90343296720 is an abundant number, since it is smaller than the sum of its proper divisors (213059610516).

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

90343296720 is a wasteful number, since it uses less digits than its factorization.

90343296720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125476820 (or 125476811 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 90343296720 in words is "ninety billion, three hundred forty-three million, two hundred ninety-six thousand, seven hundred twenty".