73243275 has 24 divisors (see below), whose sum is σ = 138395904. Its totient is φ = 33482400.

The previous prime is 73243273. The next prime is 73243277. The reversal of 73243275 is 57234237.

It is an interprime number because it is at equal distance from previous prime (73243273) and next prime (73243277).

It is not a de Polignac number, because 73243275 - 2¹ = 73243273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73243273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69231 + ... + 70280.

It is an arithmetic number, because the mean of its divisors is an integer number (5766496).

Almost surely, 2^73243275 is an apocalyptic number.

73243275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

73243275 is a deficient number, since it is larger than the sum of its proper divisors (65152629).

73243275 is a wasteful number, since it uses less digits than its factorization.

73243275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139531 (or 139526 counting only the distinct ones).

The product of its digits is 35280, while the sum is 33.

The square root of 73243275 is about 8558.2284965990. The cubic root of 73243275 is about 418.3976645704.

The spelling of 73243275 in words is "seventy-three million, two hundred forty-three thousand, two hundred seventy-five".