740909349 has 40 divisors (see below), whose sum is σ = 1144074360. Its totient is φ = 477477504.

The previous prime is 740909347. The next prime is 740909413. The reversal of 740909349 is 943909047.

It can be written as a sum of positive squares in 4 ways, for example, as 235469025 + 505440324 = 15345^2 + 22482^2 .

It is not a de Polignac number, because 740909349 - 2¹ = 740909347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740909347) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 517767 + ... + 519195.

It is an arithmetic number, because the mean of its divisors is an integer number (28601859).

Almost surely, 2^740909349 is an apocalyptic number.

It is an amenable number.

740909349 is a deficient number, since it is larger than the sum of its proper divisors (403165011).

740909349 is a wasteful number, since it uses less digits than its factorization.

740909349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 740909349 is about 27219.6500528570. The cubic root of 740909349 is about 904.8745179745.

The spelling of 740909349 in words is "seven hundred forty million, nine hundred nine thousand, three hundred forty-nine".