738734881 has 8 divisors (see below), whose sum is σ = 782428680. Its totient is φ = 695067648.

The previous prime is 738734879. The next prime is 738734891. The reversal of 738734881 is 188437837.

It can be written as a sum of positive squares in 4 ways, for example, as 550606225 + 188128656 = 23465^2 + 13716^2 .

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 738734881 - 2¹ = 738734879 is a prime.

It is a super-2 number, since 2×738734881² = 1091458448812168322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738734851) 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, 96565 + ... + 103933.

It is an arithmetic number, because the mean of its divisors is an integer number (97803585).

Almost surely, 2^738734881 is an apocalyptic number.

It is an amenable number.

738734881 is a deficient number, since it is larger than the sum of its proper divisors (43693799).

738734881 is a wasteful number, since it uses less digits than its factorization.

738734881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13283.

The product of its digits is 903168, while the sum is 49.

The square root of 738734881 is about 27179.6777206795. The cubic root of 738734881 is about 903.9884227412.

The spelling of 738734881 in words is "seven hundred thirty-eight million, seven hundred thirty-four thousand, eight hundred eighty-one".