89739733 has 4 divisors (see below), whose sum is σ = 91079200. Its totient is φ = 88400268.

The previous prime is 89739731. The next prime is 89739737. The reversal of 89739733 is 33793798.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33793798 = 2 ⋅16896899.

It is a cyclic number.

It is not a de Polignac number, because 89739733 - 2¹ = 89739731 is a prime.

It is a super-2 number, since 2×89739733² = 16106439357822578, 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 (89739731) 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, 669633 + ... + 669766.

It is an arithmetic number, because the mean of its divisors is an integer number (22769800).

Almost surely, 2^89739733 is an apocalyptic number.

It is an amenable number.

89739733 is a deficient number, since it is larger than the sum of its proper divisors (1339467).

89739733 is a wasteful number, since it uses less digits than its factorization.

89739733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339466.

The product of its digits is 857304, while the sum is 49.

The square root of 89739733 is about 9473.1057737154. The cubic root of 89739733 is about 447.7080717314.

The spelling of 89739733 in words is "eighty-nine million, seven hundred thirty-nine thousand, seven hundred thirty-three".