73445263023075 has 48 divisors (see below), whose sum is σ = 123113146254336. Its totient is φ = 38629390364800.

The previous prime is 73445263023037. The next prime is 73445263023079. The reversal of 73445263023075 is 57032036254437.

It is not a de Polignac number, because 73445263023075 - 2¹⁸ = 73445262760931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73445263023079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7123731 + ... + 14058380.

It is an arithmetic number, because the mean of its divisors is an integer number (2564857213632).

Almost surely, 2^{73445263023075} is an apocalyptic number.

73445263023075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

73445263023075 is a deficient number, since it is larger than the sum of its proper divisors (49667883231261).

73445263023075 is a wasteful number, since it uses less digits than its factorization.

73445263023075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21182764 (or 21182759 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 51.

The spelling of 73445263023075 in words is "seventy-three trillion, four hundred forty-five billion, two hundred sixty-three million, twenty-three thousand, seventy-five".