73563021350 has 288 divisors, whose sum is σ = 183069979200. Its totient is φ = 21897308160.

The previous prime is 73563021341. The next prime is 73563021409. The reversal of 73563021350 is 5312036537.

It is a happy number.

It is a super-2 number, since 2×73563021350² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 73563021350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 49271204 + ... + 49272696.

It is an arithmetic number, because the mean of its divisors is an integer number (635659650).

Almost surely, 2^73563021350 is an apocalyptic number.

73563021350 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73563021350 is an abundant number, since it is smaller than the sum of its proper divisors (109506957850).

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

73563021350 is a wasteful number, since it uses less digits than its factorization.

73563021350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 35.

Adding to 73563021350 its reverse (5312036537), we get a palindrome (78875057887).

The spelling of 73563021350 in words is "seventy-three billion, five hundred sixty-three million, twenty-one thousand, three hundred fifty".