740749537 has 6 divisors (see below), whose sum is σ = 814212434. Its totient is φ = 673408560.

The previous prime is 740749511. The next prime is 740749549. The reversal of 740749537 is 735947047.

It can be written as a sum of positive squares in only one way, i.e., 498137761 + 242611776 = 22319^2 + 15576^2 .

It is not a de Polignac number, because 740749537 - 2¹¹ = 740747489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740749507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3060828 + ... + 3061069.

Almost surely, 2^740749537 is an apocalyptic number.

It is an amenable number.

740749537 is a deficient number, since it is larger than the sum of its proper divisors (73462897).

740749537 is a wasteful number, since it uses less digits than its factorization.

740749537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121919 (or 6121908 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 740749537 is about 27216.7142947124. The cubic root of 740749537 is about 904.8094536923.

The spelling of 740749537 in words is "seven hundred forty million, seven hundred forty-nine thousand, five hundred thirty-seven".