73703157 has 12 divisors (see below), whose sum is σ = 108017280. Its totient is φ = 44668360.

The previous prime is 73703153. The next prime is 73703159. The reversal of 73703157 is 75130737.

It is not a de Polignac number, because 73703157 - 2² = 73703153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73703153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101157 + ... + 101882.

It is an arithmetic number, because the mean of its divisors is an integer number (9001440).

Almost surely, 2^73703157 is an apocalyptic number.

It is an amenable number.

73703157 is a deficient number, since it is larger than the sum of its proper divisors (34314123).

73703157 is a wasteful number, since it uses less digits than its factorization.

73703157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203064 (or 203053 counting only the distinct ones).

The product of its (nonzero) digits is 15435, while the sum is 33.

The square root of 73703157 is about 8585.0542805506. The cubic root of 73703157 is about 419.2715206483.

The spelling of 73703157 in words is "seventy-three million, seven hundred three thousand, one hundred fifty-seven".