740737043671 has 4 divisors (see below), whose sum is σ = 740738986344. Its totient is φ = 740735101000.

The previous prime is 740737043621. The next prime is 740737043699. The reversal of 740737043671 is 176340737047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176340737047 = 991 ⋅177942217.

It is a cyclic number.

It is not a de Polignac number, because 740737043671 - 2²¹ = 740734946519 is a prime.

It is a super-2 number, since 2×740737043671² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740737043621) 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, 189760 + ... + 1231861.

It is an arithmetic number, because the mean of its divisors is an integer number (185184746586).

Almost surely, 2^740737043671 is an apocalyptic number.

740737043671 is a deficient number, since it is larger than the sum of its proper divisors (1942673).

740737043671 is a wasteful number, since it uses less digits than its factorization.

740737043671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942672.

The product of its (nonzero) digits is 2074464, while the sum is 49.

The spelling of 740737043671 in words is "seven hundred forty billion, seven hundred thirty-seven million, forty-three thousand, six hundred seventy-one".