740630709 has 48 divisors (see below), whose sum is σ = 1365483392. Its totient is φ = 390650688.

The previous prime is 740630651. The next prime is 740630719. The reversal of 740630709 is 907036047.

It is not a de Polignac number, because 740630709 - 2⁸ = 740630453 is a prime.

It is a super-2 number, since 2×740630709² = 1097067694227685362, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740630719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5367 + ... + 38859.

Almost surely, 2^740630709 is an apocalyptic number.

It is an amenable number.

740630709 is a deficient number, since it is larger than the sum of its proper divisors (624852683).

740630709 is a wasteful number, since it uses less digits than its factorization.

740630709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33528 (or 33516 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 740630709 is about 27214.5312103663. The cubic root of 740630709 is about 904.7610691655.

The spelling of 740630709 in words is "seven hundred forty million, six hundred thirty thousand, seven hundred nine".