73403206572 has 48 divisors (see below), whose sum is σ = 178763945472. Its totient is φ = 23398277760.

The previous prime is 73403206571. The next prime is 73403206579. The reversal of 73403206572 is 27560230437.

It is a self number, because there is not a number n which added to its sum of digits gives 73403206572.

It is not an unprimeable number, because it can be changed into a prime (73403206571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200297 + ... + 1259967.

It is an arithmetic number, because the mean of its divisors is an integer number (3724248864).

Almost surely, 2^73403206572 is an apocalyptic number.

It is an amenable number.

73403206572 is an abundant number, since it is smaller than the sum of its proper divisors (105360738900).

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

73403206572 is a wasteful number, since it uses less digits than its factorization.

73403206572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64158 (or 64156 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 73403206572 in words is "seventy-three billion, four hundred three million, two hundred six thousand, five hundred seventy-two".