73472533 has 4 divisors (see below), whose sum is σ = 75264588. Its totient is φ = 71680480.

The previous prime is 73472507. The next prime is 73472549. The reversal of 73472533 is 33527437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33527437 = 383 ⋅87539.

It can be written as a sum of positive squares in 2 ways, for example, as 23882769 + 49589764 = 4887^2 + 7042^2 .

It is a cyclic number.

It is not a de Polignac number, because 73472533 - 2¹³ = 73464341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73472593) 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, 895966 + ... + 896047.

It is an arithmetic number, because the mean of its divisors is an integer number (18816147).

Almost surely, 2^73472533 is an apocalyptic number.

It is an amenable number.

73472533 is a deficient number, since it is larger than the sum of its proper divisors (1792055).

73472533 is a wasteful number, since it uses less digits than its factorization.

73472533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792054.

The product of its digits is 52920, while the sum is 34.

The square root of 73472533 is about 8571.6120420840. The cubic root of 73472533 is about 418.8337505910.

The spelling of 73472533 in words is "seventy-three million, four hundred seventy-two thousand, five hundred thirty-three".