73400070373 has 4 divisors (see below), whose sum is σ = 83885794720. Its totient is φ = 62914346028.

The previous prime is 73400070371. The next prime is 73400070389. The reversal of 73400070373 is 37307000437.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73400070373 - 2¹ = 73400070371 is a prime.

It is a super-2 number, since 2×73400070373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73400070371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5242862163 + ... + 5242862176.

It is an arithmetic number, because the mean of its divisors is an integer number (20971448680).

Almost surely, 2^73400070373 is an apocalyptic number.

It is an amenable number.

73400070373 is a deficient number, since it is larger than the sum of its proper divisors (10485724347).

73400070373 is a wasteful number, since it uses less digits than its factorization.

73400070373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10485724346.

The product of its (nonzero) digits is 37044, while the sum is 34.

The spelling of 73400070373 in words is "seventy-three billion, four hundred million, seventy thousand, three hundred seventy-three".