73303157 has 4 divisors (see below), whose sum is σ = 73443840. Its totient is φ = 73162476.

The previous prime is 73303123. The next prime is 73303171. The reversal of 73303157 is 75130337.

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 73303157 - 2²⁴ = 56525941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73303177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69557 + ... + 70602.

It is an arithmetic number, because the mean of its divisors is an integer number (18360960).

Almost surely, 2^73303157 is an apocalyptic number.

It is an amenable number.

73303157 is a deficient number, since it is larger than the sum of its proper divisors (140683).

73303157 is a wasteful number, since it uses less digits than its factorization.

73303157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140682.

The product of its (nonzero) digits is 6615, while the sum is 29.

The square root of 73303157 is about 8561.7262862112. The cubic root of 73303157 is about 418.5116575800.

The spelling of 73303157 in words is "seventy-three million, three hundred three thousand, one hundred fifty-seven".