73521020275 has 24 divisors (see below), whose sum is σ = 92301436080. Its totient is φ = 58084890240.

The previous prime is 73521020219. The next prime is 73521020299. The reversal of 73521020275 is 57202012537.

It is not a de Polignac number, because 73521020275 - 2¹⁹ = 73520495987 is a prime.

It is a super-2 number, since 2×73521020275² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73521020275.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6694689 + ... + 6705661.

It is an arithmetic number, because the mean of its divisors is an integer number (3845893170).

Almost surely, 2^73521020275 is an apocalyptic number.

73521020275 is a deficient number, since it is larger than the sum of its proper divisors (18780415805).

73521020275 is a wasteful number, since it uses less digits than its factorization.

73521020275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14295 (or 14290 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 73521020275 in words is "seventy-three billion, five hundred twenty-one million, twenty thousand, two hundred seventy-five".