73015800731 has 2 divisors, whose sum is σ = 73015800732. Its totient is φ = 73015800730.

The previous prime is 73015800709. The next prime is 73015800761. The reversal of 73015800731 is 13700851037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73015800731 - 2¹⁰ = 73015799707 is a prime.

It is a super-2 number, since 2×73015800731² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73015800691 and 73015800700.

It is not a weakly prime, because it can be changed into another prime (73015800761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36507900365 + 36507900366.

It is an arithmetic number, because the mean of its divisors is an integer number (36507900366).

Almost surely, 2^73015800731 is an apocalyptic number.

73015800731 is a deficient number, since it is larger than the sum of its proper divisors (1).

73015800731 is an equidigital number, since it uses as much as digits as its factorization.

73015800731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 73015800731 in words is "seventy-three billion, fifteen million, eight hundred thousand, seven hundred thirty-one".