73526940020 has 12 divisors (see below), whose sum is σ = 154406574084. Its totient is φ = 29410776000.

The previous prime is 73526940007. The next prime is 73526940029. The reversal of 73526940020 is 2004962537.

It can be written as a sum of positive squares in 2 ways, for example, as 49927221136 + 23599718884 = 223444^2 + 153622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73526940029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838173481 + ... + 1838173520.

It is an arithmetic number, because the mean of its divisors is an integer number (12867214507).

Almost surely, 2^73526940020 is an apocalyptic number.

It is an amenable number.

73526940020 is an abundant number, since it is smaller than the sum of its proper divisors (80879634064).

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

73526940020 is a wasteful number, since it uses less digits than its factorization.

73526940020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676347010 (or 3676347008 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 73526940020 in words is "seventy-three billion, five hundred twenty-six million, nine hundred forty thousand, twenty".