738806761 has 27 divisors (see below), whose sum is σ = 947344503. Its totient is φ = 574062720.

The previous prime is 738806749. The next prime is 738806767. The reversal of 738806761 is 167608837.

The square root of 738806761 is 27181.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 300155625 + 438651136 = 17325^2 + 20944^2 .

It is not a de Polignac number, because 738806761 - 2⁵ = 738806729 is a prime.

It is a super-2 number, since 2×738806761² = 1091670860198622242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (738806767) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2092761 + ... + 2093113.

Almost surely, 2^738806761 is an apocalyptic number.

738806761 is the 27181-st square number.

738806761 is the 13591-st centered octagonal number.

It is an amenable number.

738806761 is a deficient number, since it is larger than the sum of its proper divisors (208537742).

738806761 is an equidigital number, since it uses as much as digits as its factorization.

738806761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The cubic root of 738806761 is about 904.0177415952.

The spelling of 738806761 in words is "seven hundred thirty-eight million, eight hundred six thousand, seven hundred sixty-one".