740738637 has 24 divisors (see below), whose sum is σ = 1143507456. Its totient is φ = 460423296.

The previous prime is 740738629. The next prime is 740738639. The reversal of 740738637 is 736837047.

740738637 is a `hidden beast` number, since 7 + 4 + 0 + 7 + 3 + 8 + 637 = 666.

It is not a de Polignac number, because 740738637 - 2³ = 740738629 is a prime.

It is a super-3 number, since 3×740738637³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 740738592 and 740738601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740738639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6253 + ... + 38994.

It is an arithmetic number, because the mean of its divisors is an integer number (47646144).

Almost surely, 2^740738637 is an apocalyptic number.

It is an amenable number.

740738637 is a deficient number, since it is larger than the sum of its proper divisors (402768819).

740738637 is a wasteful number, since it uses less digits than its factorization.

740738637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45377 (or 45374 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 740738637 is about 27216.5140493782. The cubic root of 740738637 is about 904.8050156329.

The spelling of 740738637 in words is "seven hundred forty million, seven hundred thirty-eight thousand, six hundred thirty-seven".