73285540157 has 8 divisors (see below), whose sum is σ = 74295017280. Its totient is φ = 72276213600.

The previous prime is 73285540123. The next prime is 73285540171. The reversal of 73285540157 is 75104558237.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73285540157 - 2⁶ = 73285540093 is a prime.

It is a super-2 number, since 2×73285540157² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73285540177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237694 + ... + 1295552.

It is an arithmetic number, because the mean of its divisors is an integer number (9286877160).

Almost surely, 2^73285540157 is an apocalyptic number.

It is an amenable number.

73285540157 is a deficient number, since it is larger than the sum of its proper divisors (1009477123).

73285540157 is a wasteful number, since it uses less digits than its factorization.

73285540157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75283.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 73285540157 in words is "seventy-three billion, two hundred eighty-five million, five hundred forty thousand, one hundred fifty-seven".