738740261 has 16 divisors (see below), whose sum is σ = 895073280. Its totient is φ = 596211840.

The previous prime is 738740257. The next prime is 738740267. The reversal of 738740261 is 162047837.

It is not a de Polignac number, because 738740261 - 2² = 738740257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738740267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37976 + ... + 54033.

It is an arithmetic number, because the mean of its divisors is an integer number (55942080).

Almost surely, 2^738740261 is an apocalyptic number.

It is an amenable number.

738740261 is a deficient number, since it is larger than the sum of its proper divisors (156333019).

738740261 is a wasteful number, since it uses less digits than its factorization.

738740261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92084.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 738740261 is about 27179.7766915036. The cubic root of 738740261 is about 903.9906172343.

The spelling of 738740261 in words is "seven hundred thirty-eight million, seven hundred forty thousand, two hundred sixty-one".