740736137 has 4 divisors (see below), whose sum is σ = 772942080. Its totient is φ = 708530196.

The previous prime is 740736077. The next prime is 740736151. The reversal of 740736137 is 731637047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731637047 = 19 ⋅38507213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740736137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740736137.

It is not an unprimeable number, because it can be changed into a prime (740736167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16102937 + ... + 16102982.

It is an arithmetic number, because the mean of its divisors is an integer number (193235520).

Almost surely, 2^740736137 is an apocalyptic number.

It is an amenable number.

740736137 is a deficient number, since it is larger than the sum of its proper divisors (32205943).

740736137 is a wasteful number, since it uses less digits than its factorization.

740736137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32205942.

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 740736137 is about 27216.4681213415. The cubic root of 740736137 is about 904.8039977232.

The spelling of 740736137 in words is "seven hundred forty million, seven hundred thirty-six thousand, one hundred thirty-seven".