73561713532 has 12 divisors (see below), whose sum is σ = 131726789656. Its totient is φ = 35925487920.

The previous prime is 73561713521. The next prime is 73561713559. The reversal of 73561713532 is 23531716537.

It is a super-2 number, since 2×73561713532² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213842019 + ... + 213842362.

Almost surely, 2^73561713532 is an apocalyptic number.

It is an amenable number.

73561713532 is a deficient number, since it is larger than the sum of its proper divisors (58165076124).

73561713532 is a wasteful number, since it uses less digits than its factorization.

73561713532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427684428 (or 427684426 counting only the distinct ones).

The product of its digits is 396900, while the sum is 43.

The spelling of 73561713532 in words is "seventy-three billion, five hundred sixty-one million, seven hundred thirteen thousand, five hundred thirty-two".