732198081 has 4 divisors (see below), whose sum is σ = 976264112. Its totient is φ = 488132052.

The previous prime is 732198037. The next prime is 732198097. The reversal of 732198081 is 180891237.

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.

It is not a de Polignac number, because 732198081 - 2⁷ = 732197953 is a prime.

It is a super-2 number, since 2×732198081² = 1072228059640165122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (732198581) 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, 122033011 + ... + 122033016.

It is an arithmetic number, because the mean of its divisors is an integer number (244066028).

Almost surely, 2^732198081 is an apocalyptic number.

It is an amenable number.

732198081 is a deficient number, since it is larger than the sum of its proper divisors (244066031).

732198081 is a wasteful number, since it uses less digits than its factorization.

732198081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244066030.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 732198081 is about 27059.1589115405. The cubic root of 732198081 is about 901.3141628665.

The spelling of 732198081 in words is "seven hundred thirty-two million, one hundred ninety-eight thousand, eighty-one".