740009641 has 8 divisors (see below), whose sum is σ = 857637504. Its totient is φ = 625359840.

The previous prime is 740009623. The next prime is 740009653. The reversal of 740009641 is 146900047.

740009641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 740009641 - 2⁹ = 740009129 is a prime.

It is a super-2 number, since 2×740009641² = 1095228537545897762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740009341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743980 + ... + 744973.

It is an arithmetic number, because the mean of its divisors is an integer number (107204688).

Almost surely, 2^740009641 is an apocalyptic number.

740009641 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

740009641 is a deficient number, since it is larger than the sum of its proper divisors (117627863).

740009641 is a wasteful number, since it uses less digits than its factorization.

740009641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489031.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 740009641 is about 27203.1182219980. The cubic root of 740009641 is about 904.5080977082.

Adding to 740009641 its reverse (146900047), we get a palindrome (886909688).

The spelling of 740009641 in words is "seven hundred forty million, nine thousand, six hundred forty-one".