73157003 has 2 divisors, whose sum is σ = 73157004. Its totient is φ = 73157002.

The previous prime is 73156999. The next prime is 73157039. The reversal of 73157003 is 30075137.

It is a weak prime.

It is an emirp because it is prime and its reverse (30075137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73157003 - 2² = 73156999 is a prime.

It is equal to p_4292720 and since 73157003 and 4292720 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (73157093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36578501 + 36578502.

It is an arithmetic number, because the mean of its divisors is an integer number (36578502).

Almost surely, 2^73157003 is an apocalyptic number.

73157003 is a deficient number, since it is larger than the sum of its proper divisors (1).

73157003 is an equidigital number, since it uses as much as digits as its factorization.

73157003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 73157003 is about 8553.1867160726. The cubic root of 73157003 is about 418.2333255468.

The spelling of 73157003 in words is "seventy-three million, one hundred fifty-seven thousand, three".