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749641 is a prime number
BaseRepresentation
bin10110111000001001001
31102002022111
42313001021
5142442031
624022321
76241354
oct2670111
91362274
10749641
11472242
123019a1
13203299
1415729b
15ec1b1
hexb7049

749641 has 2 divisors, whose sum is σ = 749642. Its totient is φ = 749640.

The previous prime is 749587. The next prime is 749653. The reversal of 749641 is 146947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 484416 + 265225 = 696^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 749641 - 29 = 749129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (749741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374820 + 374821.

It is an arithmetic number, because the mean of its divisors is an integer number (374821).

2749641 is an apocalyptic number.

It is an amenable number.

749641 is a deficient number, since it is larger than the sum of its proper divisors (1).

749641 is an equidigital number, since it uses as much as digits as its factorization.

749641 is an odious number, because the sum of its binary digits is odd.

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

The square root of 749641 is about 865.8181102287. The cubic root of 749641 is about 90.8415307437.

The spelling of 749641 in words is "seven hundred forty-nine thousand, six hundred forty-one".