73542263 has 4 divisors (see below), whose sum is σ = 75107040. Its totient is φ = 71977488.

The previous prime is 73542257. The next prime is 73542269. The reversal of 73542263 is 36224537.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (73542257) and next prime (73542269).

It is a cyclic number.

It is not a de Polignac number, because 73542263 - 2²² = 69347959 is a prime.

It is a super-2 number, since 2×73542263² = 10816928894322338, which 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 (73542269) 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, 782318 + ... + 782411.

It is an arithmetic number, because the mean of its divisors is an integer number (18776760).

Almost surely, 2^73542263 is an apocalyptic number.

73542263 is a deficient number, since it is larger than the sum of its proper divisors (1564777).

73542263 is a wasteful number, since it uses less digits than its factorization.

73542263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564776.

The product of its digits is 30240, while the sum is 32.

The square root of 73542263 is about 8575.6785737340. The cubic root of 73542263 is about 418.9662084493.

The spelling of 73542263 in words is "seventy-three million, five hundred forty-two thousand, two hundred sixty-three".