73258157 has 4 divisors (see below), whose sum is σ = 83723616. Its totient is φ = 62792700.

The previous prime is 73258139. The next prime is 73258169. The reversal of 73258157 is 75185237.

It is a happy number.

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 73258157 - 2⁶ = 73258093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73258157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73258127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5232719 + ... + 5232732.

It is an arithmetic number, because the mean of its divisors is an integer number (20930904).

Almost surely, 2^73258157 is an apocalyptic number.

It is an amenable number.

73258157 is a deficient number, since it is larger than the sum of its proper divisors (10465459).

73258157 is a wasteful number, since it uses less digits than its factorization.

73258157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465458.

The product of its digits is 58800, while the sum is 38.

The square root of 73258157 is about 8559.0979080742. The cubic root of 73258157 is about 418.4260001519.

The spelling of 73258157 in words is "seventy-three million, two hundred fifty-eight thousand, one hundred fifty-seven".