73700404031 has 2 divisors, whose sum is σ = 73700404032. Its totient is φ = 73700404030.

The previous prime is 73700404021. The next prime is 73700404067. The reversal of 73700404031 is 13040400737.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73700404031 is a prime.

It is a super-2 number, since 2×73700404031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73700403985 and 73700404003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73700404021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36850202015 + 36850202016.

It is an arithmetic number, because the mean of its divisors is an integer number (36850202016).

Almost surely, 2^73700404031 is an apocalyptic number.

73700404031 is a deficient number, since it is larger than the sum of its proper divisors (1).

73700404031 is an equidigital number, since it uses as much as digits as its factorization.

73700404031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

Adding to 73700404031 its reverse (13040400737), we get a palindrome (86740804768).

The spelling of 73700404031 in words is "seventy-three billion, seven hundred million, four hundred four thousand, thirty-one".