90722720341 has 4 divisors (see below), whose sum is σ = 98970240384. Its totient is φ = 82475200300.

The previous prime is 90722720339. The next prime is 90722720449. The reversal of 90722720341 is 14302722709.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90722720341 - 2¹ = 90722720339 is a prime.

It is a super-2 number, since 2×90722720341² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90722720341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90722720941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4123760005 + ... + 4123760026.

It is an arithmetic number, because the mean of its divisors is an integer number (24742560096).

Almost surely, 2^90722720341 is an apocalyptic number.

It is an amenable number.

90722720341 is a deficient number, since it is larger than the sum of its proper divisors (8247520043).

90722720341 is a wasteful number, since it uses less digits than its factorization.

90722720341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247520042.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 90722720341 in words is "ninety billion, seven hundred twenty-two million, seven hundred twenty thousand, three hundred forty-one".