73445551401 has 16 divisors (see below), whose sum is σ = 104756791104. Its totient is φ = 45608392704.

The previous prime is 73445551381. The next prime is 73445551451. The reversal of 73445551401 is 10415554437.

It is not a de Polignac number, because 73445551401 - 2¹³ = 73445543209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73445551401.

It is not an unprimeable number, because it can be changed into a prime (73445551451) 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, 7418295 + ... + 7428188.

It is an arithmetic number, because the mean of its divisors is an integer number (6547299444).

Almost surely, 2^73445551401 is an apocalyptic number.

It is an amenable number.

73445551401 is a deficient number, since it is larger than the sum of its proper divisors (31311239703).

73445551401 is a wasteful number, since it uses less digits than its factorization.

73445551401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14846600.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 73445551401 in words is "seventy-three billion, four hundred forty-five million, five hundred fifty-one thousand, four hundred one".