734198881 has 8 divisors (see below), whose sum is σ = 812045864. Its totient is φ = 659404800.

The previous prime is 734198879. The next prime is 734198897. The reversal of 734198881 is 188891437.

It can be written as a sum of positive squares in 4 ways, for example, as 258566400 + 475632481 = 16080^2 + 21809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 734198881 - 2¹ = 734198879 is a prime.

It is a super-2 number, since 2×734198881² = 1078095993723304322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (734198831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762720 + ... + 763681.

It is an arithmetic number, because the mean of its divisors is an integer number (101505733).

Almost surely, 2^734198881 is an apocalyptic number.

It is an amenable number.

734198881 is a deficient number, since it is larger than the sum of its proper divisors (77846983).

734198881 is a wasteful number, since it uses less digits than its factorization.

734198881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526451.

The product of its digits is 387072, while the sum is 49.

The square root of 734198881 is about 27096.1045355232. The cubic root of 734198881 is about 902.1343913929.

The spelling of 734198881 in words is "seven hundred thirty-four million, one hundred ninety-eight thousand, eight hundred eighty-one".